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Environmental Working Group

The Environmental Working Group (EWG) is a Washington, D.C.-based 501(c)(3) nonprofit organization founded in 1993 by Kenneth Cook and Richard Wiles to conduct independent research and advocacy on environmental health issues, including toxic chemicals in consumer products, pesticide residues in food, contaminants in drinking water, and agricultural subsidies.^[1]^[2]^[3] EWG maintains databases and consumer guides such as the Skin Deep cosmetics ratings and the annual "Dirty Dozen" list of fruits and vegetables purportedly highest in pesticides, with the stated mission of empowering individuals to avoid health risks from environmental exposures.^[4]^[5] Despite its self-description as nonpartisan, EWG has been rated as left-biased and promoting pseudoscientific claims by media watchdogs and scientists, particularly for rating chemicals as hazardous based on presence rather than dose-dependent risk assessments that align with toxicology consensus, such as the principle that "the dose makes the poison."^[4]^[6]^[7] Critics, including toxicologists and agricultural experts, argue that EWG's methodologies exaggerate dangers, ignore regulatory safety data from agencies like the EPA and FDA, and align with organic industry interests by fostering chemophobia and discouraging consumption of conventionally grown produce.^[8]^[9]^[10] EWG's efforts have contributed to heightened public awareness and some policy changes, such as state-level restrictions on per- and polyfluoroalkyl substances (PFAS) and food additives in California, though these successes are self-reported and often involve advocating standards stricter than federal guidelines without corresponding empirical evidence of superior health outcomes.^[11]^[12] The organization's influence stems from its prolific output of reports and media engagement, but its credibility is undermined by surveys showing that up to 80% of chemists and toxicologists view its risk assessments as overstated.^[10]

History

Founding and Early Focus (1992–2000)

The Environmental Working Group (EWG) originated as a project within the Center for Resource Economics/Island Press in the late 1980s before achieving independence in 1993, when it was formally founded by Kenneth A. Cook, a former policy aide focused on agricultural and environmental issues, and Richard Wiles, an expert in pesticides, children's health risks from toxics, and organic farming practices.^[13]^[2] Headquartered in Washington, D.C., the nascent organization initially operated with limited funding, including support from the Tides Foundation starting in 1993, emphasizing original research to counter perceived corporate influence in agriculture and chemical policy.^[13]^[14] EWG's early activities centered on scrutinizing pesticide use and residues in food, particularly those posing risks to children, through database-driven analyses of government and industry data. In June 1993, it published its inaugural major report, Pesticides in Children's Food, which reviewed 4,500 samples of fruits and vegetables collected from supermarket warehouses between 1990 and 1992 by the U.S. Department of Agriculture; the study detected residues of two or more pesticides on 25% of samples and highlighted gaps in federal tolerance standards for neurotoxic organophosphates like chlorpyrifos.^[15] This work aimed to expose underreported contamination levels and advocate for stricter residue limits, drawing on public data to argue that existing regulations inadequately protected vulnerable populations.^[15]^[16] Throughout the 1990s, EWG expanded this focus with reports challenging pesticide industry narratives and federal oversight, such as the 1995 analysis Pesticide Industry Propaganda: The Real Story, which critiqued eight common industry claims about pesticide safety testing and human relevance of animal studies.^[16] Subsequent publications, including Tough to Swallow (1997) on herbicide persistence in food and Same as It Ever Was (1998) on ongoing high exposures for young children despite regulatory promises, underscored patterns of elevated pesticide applications—such as 45.7 million pounds of atrazine annually on corn in the early 1990s—and called for reforms in agricultural chemical approvals and farm policy.^[17]^[18] These efforts positioned EWG as a data-centric critic of agribusiness practices, prioritizing empirical residue tracking over broader ecological advocacy at the time.^[18]

Expansion into Consumer Advocacy (2000s)

In the early 2000s, the Environmental Working Group broadened its advocacy from agricultural subsidies and farm policy to consumer-level interventions, emphasizing personal exposure to environmental chemicals through food, water, and household products. This expansion reflected a strategic pivot to engage the public directly with actionable guides, drawing on USDA and FDA data to highlight potential risks from pesticide residues and unregulated ingredients. By 2003, EWG had launched its National Tap Water Database, compiling contamination data from over 20 million water utility records to inform consumers about local pollutants like arsenic and industrial solvents in municipal supplies.^[19] A cornerstone of this consumer focus was the 2004 debut of the Skin Deep database, an online tool rating the hazard levels of ingredients in more than 7,500 cosmetics and personal care products, flagging concerns over substances such as formaldehyde releasers and oxybenzone based on toxicity data from government and scientific literature. The database's methodology aggregated hazard scores across categories like cancer risk and developmental toxicity, without accounting for exposure levels or regulatory safe-use determinations, aiming to pressure manufacturers toward safer formulations. Updated in 2007 to cover tens of thousands of additional items, Skin Deep became a widely referenced resource, though its precautionary approach drew scrutiny for potentially overstating risks absent dose-response context.^[20]^[21]^[22] EWG further extended consumer tools with the inaugural Shopper's Guide to Pesticides in Produce in 2005, which formalized the "Dirty Dozen" list identifying 12 fruits and vegetables—such as strawberries and spinach—with the highest pesticide residues from USDA testing of over 43,000 samples. This pocket guide encouraged organic purchases for high-residue items while pairing it with a "Clean Fifteen" for lower-risk conventional options, influencing market demand for reduced-pesticide farming. Concurrently, EWG's advocacy targeted sunscreens, releasing early critiques in the mid-2000s that prompted reformulations by highlighting inadequate UVA blockers in over 80% of products tested, based on lab analyses showing reliance on chemical filters like avobenzone that degraded under sunlight. These initiatives marked EWG's transition to a hybrid model of policy lobbying and consumer empowerment, with annual updates sustaining public engagement through the decade.^[2]^[23]

Recent Developments and Milestones (2010–Present)

In 2010, the Environmental Working Group published reports highlighting regulatory gaps in hydraulic fracturing for natural gas, titled "Drilling Around the Law," which documented exemptions from key environmental laws, and "Off the Books," exposing industry secrecy on over 83,000 chemicals under the Toxic Substances Control Act.^[24]^[25] These analyses contributed to growing scrutiny of fracking practices and undisclosed toxic substances, though critics have argued EWG's assessments often prioritize alarm over proportional risk evaluation based on exposure levels and toxicological data.^[8] By 2013, marking its 20th anniversary, EWG had influenced policy debates on toxic chemicals, agriculture, and energy, with expansions in consumer-facing databases like Skin Deep, which by then rated thousands of personal care products for chemical hazards using a scoring system that weighs ingredient data against health benchmarks.^[26] The organization's annual "Dirty Dozen" list of produce with high pesticide residues continued, drawing media attention but facing criticism for not accounting for residue levels below regulatory limits or benefits of conventional farming yields.^[8] In October 2015, EWG launched the EWG Verified program, a certification mark for personal care products meeting stricter standards on ingredients than federal requirements, aiming to guide consumers toward formulations avoiding over 2,000 substances of concern; by 2024, it had certified hundreds of products from brands seeking market differentiation.^[27]^[28] This initiative expanded in 2021 with enhanced cosmetics database reviews covering over 80,000 products, though detractors contend the hazard ratings inflate risks by relying on hazard identification without dose-response context, potentially misleading on safe use.^[29]^[30] EWG intensified focus on per- and polyfluoroalkyl substances (PFAS) post-2010, mapping nearly 1,400 contamination sites by 2020 and advocating for stricter drinking water standards; their interactive PFAS map, updated regularly, tracks pollution across U.S. systems, influencing state-level actions amid federal delays.^[31]^[32] In 2020, EWG supported California bans on certain cosmetics ingredients and pre-harvest glyphosate use, alongside PFAS regulatory pushes.^[33] The organization's 2023 30th anniversary highlighted removal of thousands of chemicals from consumer goods through advocacy, with annual reports noting assessments of 10,000 substances and testing for pesticides like chlormequat in grains.^[34]^[11] Recent efforts include a 2025 peer-reviewed study on certified organic foods' chemical profiles and an October 23, 2025, interactive map of state food additive regulations, underscoring ongoing database growth to over 100,000 rated items in Skin Deep.^[35]^[4] These developments reflect EWG's shift toward data-driven consumer tools, yet methodological critiques persist, with sources noting ties to organic interests and opposition to evidence-based technologies like biotechnology.^[13]^[36]

Organizational Structure and Leadership

Key Leaders and Founders

The Environmental Working Group (EWG) was co-founded in 1993 by Ken Cook and Richard Wiles, who established the organization as a nonprofit focused on analyzing government data to highlight environmental and public health risks from pesticides, chemicals, and agricultural policies.^[37]^[38] Cook, a policy analyst with prior experience in environmental advocacy, has served as EWG's president continuously since its inception, overseeing its expansion into consumer product ratings and advocacy campaigns.^[39]^[13] Wiles, who brought expertise in research and communications from roles including project director at the National Research Council, initially led as executive director and later as vice president for research, contributing to early reports on toxic chemical exposures before departing to head other environmental initiatives.^[40]^[41] Under Cook's leadership, EWG has maintained a staff of scientists, lawyers, and policy experts, with key current executives including Scott Faber, vice president of government affairs, who directs legislative efforts on chemical safety and agriculture, and Monica Amarelo, vice president of media relations, handling communications on water quality and personal care products.^[42]^[43] The board of directors, chaired by figures such as Drummond Pike and including celebrities like Michelle Pfeiffer, provides strategic oversight but defers operational control to Cook and the executive team.^[44] This structure emphasizes data-driven advocacy, though critics have noted the founders' ties to progressive policy networks influencing EWG's priorities.^[13]

Internal Operations and Staff

The Environmental Working Group (EWG) employs around 105 full-time staff members, with operations centered at its headquarters in Washington, D.C. The organization's workforce is structured around specialized roles in research, policy, and communications, enabling the production of reports, databases, and advocacy campaigns on topics such as chemical safety, pesticides, and water contamination.^[43] Approximately 81% of EWG's annual expenses, totaling about $19 million in recent years, support programmatic activities including personnel costs for these experts.^[45] Staff composition emphasizes interdisciplinary expertise, including scientists with Ph.D.s in chemistry and toxicology, attorneys focused on regulatory policy, data analysts handling large datasets for consumer guides, communications specialists managing media outreach, and programmers maintaining online tools like the Skin Deep cosmetics database.^[43] ^[3] Key non-leadership personnel include David Andrews, Ph.D., acting chief science officer, who directs research on contaminants such as PFAS and fluoride using chemical analysis; Melanie Benesh, vice president of government affairs, overseeing policy engagement; and Sydney Evans, MPH, a senior science analyst evaluating health risks from everyday products.^[46] This team collaborates internally to integrate data collection, peer-reviewed analysis where applicable, and public dissemination, supported by an email subscriber base exceeding 500,000 for mobilizing consumer and policy actions.^[3] EWG's internal operations as a 501(c)(3) nonprofit prioritize research-driven advocacy without direct industry funding for specific programs, relying instead on individual donations, foundation grants, and events.^[45] Compensation for select mid-level executives, such as the chief experience officer at around $200,000 annually, reflects the professional demands of the roles, per IRS Form 990 disclosures.^[47] Critics, including toxicologists, have questioned the rigor of EWG's analytical processes, arguing that staff outputs sometimes prioritize precautionary interpretations over established risk assessments, though the organization maintains its methods align with public health protection goals.^[7]

Mission, Methodology, and Research Approach

Stated Mission and Objectives

The Environmental Working Group (EWG), founded in 1993, states its core mission as "to empower you with breakthrough research to make informed choices and live a healthy life in a healthy environment."^[48] This objective emphasizes providing consumers with data-driven tools to assess risks from environmental exposures, including chemicals in personal care products, pesticides in food, and contaminants in drinking water.^[1] The organization positions itself as a nonpartisan nonprofit dedicated to protecting human health and the environment through investigative research and advocacy.^[4] EWG's stated objectives include shining a spotlight on "outdated legislation, harmful agricultural practices and industry loopholes that pose a risk to our health and the health of our environment," with a focus on reforming policies to prioritize public welfare over corporate interests.^[49] Key priorities encompass developing consumer guides, such as databases rating the safety of cosmetics and sunscreens, and pushing for stricter regulations on substances like per- and polyfluoroalkyl substances (PFAS) in water supplies.^[50] The group aims to foster a world where "everyone, regardless of their background or identity, can live a healthy life in a healthy environment" by influencing legislative debates and mobilizing public action.^[1] In pursuit of these goals, EWG commits to ongoing research and transparency, claiming to center "you and your family" in environmental health discussions while advocating on Capitol Hill and in local communities against pollution from farms, factories, and consumer products.^[49] This includes annual reports on pesticide residues and chemical hazards to guide purchasing decisions and policy reforms.^[4]

Data Collection and Analytical Methods

The Environmental Working Group (EWG) primarily collects data by aggregating and reanalyzing publicly available government datasets rather than conducting extensive original laboratory testing. For instance, EWG commissions independent lab analyses selectively, such as testing 37 samples of fruit leather from 10 brands in 2021 and 2022 for heavy metals and glyphosate.^[51] This approach relies on federal programs like the USDA's Pesticide Data Program (PDP) and EPA's Enforcement and Compliance History Online (ECHO) database, supplemented by state reports and unregulated contaminant monitoring rules (UCMR). EWG researchers request additional data from state authorities when needed, ensuring coverage of regulated contaminants from utility tests spanning 2021–2023, encompassing nearly 31 million results for 534 chemicals across 50,000 water systems.^[52] In analyzing pesticide residues for reports like the Shopper's Guide to Pesticides in Produce, EWG draws from USDA PDP data on over 53,000 washed samples of 47 fruits and vegetables, focusing on recent 1–2-year sampling periods. Analytical methods involve calculating four normalized metrics (scored 1–100 each): the percentage of samples with detectable pesticides, the average number of pesticides per sample or positive sample, the average concentration of pesticides, and an overall toxicity measure introduced in the 2025 update. Toxicity is derived from pesticide-to-toxicity ratios using EPA no-observed-adverse-effect level (NOAEL) values, with total scores summed to rank items; the top 12 scorers form the Dirty Dozen list, and the bottom 15 the Clean Fifteen. This peer-reviewed refinement prioritizes both residue prevalence and potential health impacts over prior volume-based rankings alone.^[53] For chemical assessments in databases like Skin Deep (cosmetics) and the Guide to Healthy Cleaning, EWG compiles ingredient lists from product labels, manufacturer websites, and Material Safety Data Sheets (MSDS), cross-referenced with over 15 toxicity databases including EPA's Integrated Risk Information System (IRIS), California's Proposition 65, and the EU's Globally Harmonized System. Hazard scoring (1–10 scale) evaluates known and suspected risks across endpoints like cancer, developmental toxicity, and endocrine disruption, weighted by evidence strength, endpoint scope (tiered 1–6), severity, and exposure routes, incorporating a precautionary principle for data gaps. Products receive a combined score factoring ingredient hazards and disclosure quality (e.g., full ingredient lists score higher), with data availability rated separately as limited, moderate, or robust to highlight research gaps.^[20]^[54] EWG's water quality analyses in the Tap Water Database process aggregated test results by computing arithmetic means (treating non-detects as zero), verifying for inconsistencies via utility feedback, and comparing against federal Maximum Contaminant Levels (MCLs) alongside stricter benchmarks like California Public Health Goals, Minnesota Health Risk Limits, and EWG's own health-protective standards (e.g., one-in-a-million lifetime cancer risk). Population-weighted averages contextualize system-level risks, emphasizing contaminants exceeding guidelines even if compliant with EPA rules.^[52] Overall, these methods emphasize consumer-oriented scoring and integration of disparate sources, though they often apply conservative thresholds that diverge from regulatory tolerances.

Criticisms of Methodological Rigor

Critics contend that the Environmental Working Group's analytical methods emphasize hazard detection over risk-based evaluation, often disregarding exposure levels, dose-response relationships, and established regulatory tolerances, which contravenes core toxicological principles such as "the dose makes the poison." A 2009 survey of members of the Society of Toxicology revealed that 79% of respondents viewed EWG as overstating chemical health risks, with similar sentiments echoed in subsequent analyses by scientific organizations.^[55]^[7] This approach has been described as promoting chemophobia by prioritizing presence over clinical relevance, as residues on produce or in products are typically measured in parts per billion or trillion, far below thresholds linked to adverse effects in empirical studies.^[8] The flagship "Dirty Dozen" list, derived from U.S. Department of Agriculture Pesticide Data Program samples, exemplifies these issues by ranking produce based on the frequency and count of detectable pesticide residues rather than their concentrations relative to EPA-established tolerances, where over 99% of conventional samples test below safe limits. EWG's methodology assigns equal weight to all pesticides regardless of toxicity profiles or actual amounts, potentially penalizing crop rotation practices that diversify residues to prevent resistance—a sound agricultural strategy—while ignoring that half of "Dirty Dozen" items often show no detectable residues at all.^[56]^[8] The group has acknowledged that the list does not incorporate risk assessment or basic toxicology tenets, yet it implies superior safety for organic alternatives without accounting for residues from organic-approved pesticides like copper sulfate or synthetic contaminants permitted up to 5% of EPA tolerances in organics.^[57]^[56] Similar flaws appear in the Skin Deep database for cosmetics and personal care products, which employs a 1-10 hazard scoring system that omits dosage and exposure data, resulting in ratings detached from real-world use scenarios. Ingredients lacking safety studies may receive a low-risk score of 1, while chemically analogous compounds like sodium cocoyl sulfate (rated 1 with zero data) and sodium lauryl sulfate (rated 1-2) diverge illogically, and errors such as listing the nonexistent "polyparaben" as a synonym for propylparaben undermine reliability.^[58] Critics, including cosmetic chemists, argue this hazard-only framework cherry-picks literature and applies uniform penalties without empirical validation, contrasting with regulatory bodies like the FDA that integrate exposure modeling.^[58]^[59] Across reports on water quality, PFAS, and sunscreens, EWG's proprietary algorithms remain opaque, rejecting peer-reviewed standards from agencies like the EPA in favor of precautionary thresholds that amplify trace detections without causal evidence of harm at those levels. This has drawn rebukes from academic sources for lacking transparency and reproducibility, as methodologies are not fully disclosed for independent verification, potentially biasing outcomes toward advocacy goals over falsifiable science.^[60]^[10]

Major Initiatives and Reports

Pesticide Residue Guides (e.g., Dirty Dozen)

The Environmental Working Group (EWG) publishes an annual Shopper's Guide to Pesticides in Produce, which includes the "Dirty Dozen" list identifying 12 fruits and vegetables with the highest average concentrations of pesticide residues based on U.S. Department of Agriculture (USDA) testing data.^[23] This guide, first released in the early 2000s, aims to inform consumers about potential exposure to pesticide chemicals in conventionally grown produce, encouraging purchases of organic alternatives for items on the Dirty Dozen while highlighting the "Clean Fifteen" for those with lower residues.^[61] The lists draw from the USDA's Pesticide Data Program (PDP), which tests over 53,000 non-organic samples annually across 47 commodities, detecting residues from hundreds of pesticides.^[53] EWG's methodology ranks produce by aggregating metrics such as the percent of samples with detectable residues, the number of distinct pesticides per sample, and total pesticide volume, without adjusting for regulatory safety thresholds established by the Environmental Protection Agency (EPA).^[53] For the 2025 edition, released on June 11, EWG introduced refinements incorporating pesticide toxicity data for the first time, weighting scores by potential health hazards derived from sources like the EPA and California's Proposition 65 list, though the core approach remains focused on residue prevalence rather than dose-response relationships central to toxicology.^[62] The 2025 Dirty Dozen includes spinach (top-ranked, with 75% of samples showing multiple pesticides), strawberries, kale/collard/mustard greens, grapes, peaches, cherries, nectarines, pears, apples, bell and hot peppers, tomatoes, and celery, reflecting analysis of data from 2019–2023 PDP tests where 203 pesticides were identified across Dirty Dozen samples.^[23]^[63] Critics from agricultural and scientific communities argue that the Dirty Dozen misrepresents risks by emphasizing detection frequency over actual safety levels, as USDA and EPA data confirm that 99% of residues fall below established tolerances designed with safety margins exceeding human exposure limits by factors of 100 or more.^[57]^[64] Independent analyses, including those from Cornell University horticulturists and the Alliance for Food and Farming, contend that EWG's rankings ignore toxicological principles like the dose making the poison—residues are typically in parts-per-billion, posing negligible risk compared to natural compounds in produce or benefits from nutrient intake.^[65] The list has not undergone peer review and is said to discourage fruit and vegetable consumption, potentially harming public health by amplifying unfounded fears, as evidenced by surveys linking such guides to reduced produce intake among concerned consumers.^[9]^[8] Federal agencies like the FDA and EPA maintain that PDP data affirm the safety of U.S. produce, with no instances of residues exceeding tolerances linked to health harms in population studies.^[66] EWG counters that even low-level chronic exposures warrant precaution, citing potential cumulative effects from multiple chemicals, though this view diverges from consensus risk assessments prioritizing empirical evidence of harm over precautionary assumptions.^[67] Organic produce, often promoted as an alternative, still contains residues from natural pesticides and environmental sources, undermining claims of zero-exposure purity.^[68]

Chemical and Product Databases (e.g., Skin Deep)

The Skin Deep database, launched by the Environmental Working Group in 2004, rates over 80,000 personal care products and their ingredients on potential health hazards to assist consumers in selecting alternatives perceived as safer.^[69] It assigns numerical scores from 1 to 10, with lower numbers indicating lower hazard levels, based on assessments of risks such as cancer, developmental and reproductive toxicity, allergies, immunotoxicity, and neurotoxicity.^[20] Ingredient evaluations draw from approximately 60 databases covering toxicity studies, regulatory listings, and data availability, supplemented by product labels and manufacturer disclosures; however, EWG acknowledges limitations like incomplete ingredient reporting and treats data gaps as equivalent to high hazard in scoring.^[20] EWG's approach emphasizes precautionary principles, prioritizing avoidance of chemicals with any evidence of harm regardless of concentration or exposure levels, which contrasts with regulatory frameworks like those of the U.S. Food and Drug Administration that incorporate dose-response data and real-world use.^[70] For instance, common ingredients such as water or approved preservatives may receive moderate scores due to persistence or irritation potential, even when deemed safe by toxicological standards.^[58] The database extends to related tools like the EWG Verified mark, certifying products free of ingredients on EWG's unacceptable list and meeting transparency criteria, influencing brands to reformulate for lower scores.^[71] Critics, including cosmetic chemists and industry toxicologists, argue that Skin Deep's hazard-based ratings lack scientific rigor by ignoring pharmacokinetics, exposure duration, and synergistic effects, potentially misleading users into equating presence with risk—a violation of the principle that toxicity depends on dose.^[10] ^[72] A 2019 analysis described it as a "showcase of poor interpretation of science," noting biased downgrading of sunscreens, fragrances, and preservatives despite regulatory approvals and clinical evidence of safety at typical use levels.^[10] As an advocacy organization funded partly by grants promoting environmental restrictions, EWG's methodology aligns with broader campaigns against synthetic chemicals, raising questions about objectivity over empirical risk assessment.^[73] Despite these issues, the database has driven consumer demand for ingredient transparency, contributing to the "clean beauty" market growth, though peer-reviewed validations of its predictive accuracy for health outcomes remain limited.^[74]

Water Quality and PFAS Assessments

The Environmental Working Group (EWG) operates the Tap Water Database, an online tool launched in 2005 that compiles publicly available testing data from approximately 50,000 U.S. public water utilities, encompassing over 32 million test results for 517 contaminants including pesticides, industrial chemicals, and heavy metals.^[19] ^[75] Users enter a ZIP code to access utility-specific reports, which flag contaminants exceeding EWG's health guidelines—standards derived from peer-reviewed toxicity studies and often stricter than U.S. Environmental Protection Agency (EPA) maximum contaminant levels (MCLs).^[52] A 2025 database update revealed hundreds of contaminants in tap water serving millions, such as chromium-6 and nitrate, at levels legal under EPA rules but deemed risky by EWG based on cumulative exposure risks.^[76] EWG's assessments emphasize per- and polyfluoroalkyl substances (PFAS), compiling data into an interactive map tracking contamination at 9,552 public and private sites as of recent updates, drawing from EPA, state, and military records.^[32] The organization advocates a health protective limit of 1 part per trillion (ppt) for PFAS mixtures, citing independent studies linking even low exposures to immune, developmental, and cancer risks, in contrast to the EPA's 2024 MCLs of 4 ppt for PFOA/PFOS and higher hazard indices for others.^[31] ^[77] EWG's 2020 national analysis estimated PFAS in drinking water for over 200 million people, urging filtration technologies like granular activated carbon, which their tests show can reduce PFAS by over 90% in treated systems while also lowering disinfection byproducts.^[78] ^[79] Critics argue EWG's database promotes undue alarm by prioritizing precautionary thresholds over regulatory standards that balance detectability, treatment feasibility, and cost, potentially misleading consumers about actual health threats from trace levels compliant with EPA limits.^[80] For instance, the database omits private well data and some monitored unregulated contaminants, and its methodology relies on aggregated historical tests without real-time verification, which utilities like Everett, Washington, counter by noting their broader testing exceeds EWG's scope.^[81] ^[82] Independent reviews describe EWG's approach as selectively interpreting science to amplify risks, akin to broader critiques of the group's consumer guides for ignoring dose-response principles where low exposures pose negligible harm.^[83]

Other Consumer-Focused Reports (Sunscreens, GMOs, Vaccines)

The Environmental Working Group (EWG) publishes an annual Guide to Sunscreens, evaluating over 1,700 SPF products for efficacy and ingredient safety based on hazard data from government and scientific databases.^[84] In its 2025 edition, EWG found that only about 23% of sunscreens provided adequate UVA and UVB protection while avoiding ingredients linked to potential endocrine disruption, allergies, or absorption concerns, such as oxybenzone and octinoxate.^[85] The methodology scores products on a 1-10 scale, prioritizing mineral filters like zinc oxide over chemical ones, modeling UVA protection via absorbance spectra, and flagging ingredients with high scores in the EWG's Skin Deep database for toxicity potential, though it emphasizes hazard rather than exposure-based risk assessments.^[86] Critics, including the Personal Care Products Council, argue that EWG's proprietary rating system deviates from FDA standards, which deem approved chemical filters safe and effective when used as directed, and may discourage sunscreen application by overstating unproven harms, potentially increasing skin cancer risk.^[87]^[88] On genetically modified organisms (GMOs), EWG has issued consumer guides and analyses asserting that GMO crops, engineered for herbicide tolerance, have driven a surge in glyphosate use—rising from 27 million pounds in 1996 to over 280 million pounds annually by 2016—without commensurate yield gains and contributing to herbicide-resistant "superweeds" affecting 70 million acres by 2016.^[89] Its 2014 Shopper's Guide to Avoiding GMO Food advised consumers to seek non-GMO labels, citing incomplete regulatory oversight and potential biodiversity loss, while advocating mandatory labeling based on polls showing 93% maternal support in 2015.^[90]^[91] EWG's position aligns with calls for reform following a 2016 National Academy of Sciences report highlighting regulatory gaps, though broader scientific consensus, including from the Academy, finds no evidence of unique health risks from GMO foods compared to conventional ones, attributing increased herbicide use to agronomic practices rather than inherent crop flaws.^[92] Independent analyses indicate GMO adoption has reduced overall insecticide use by 37% in some crops while enabling no-till farming benefits, challenging EWG's emphasis on net environmental harm.^[5] EWG's vaccine-related reports focus on environmental contaminants' impacts rather than vaccines themselves, including a 2004 analysis linking ethylmercury in thimerosal-containing vaccines to potential neurodevelopmental risks like autism, based on emerging data at the time, though subsequent large-scale epidemiological studies, including by the CDC, found no causal association.^[93] More recently, a 2020 review highlighted per- and polyfluoroalkyl substances (PFAS) exposure's correlation with diminished antibody responses to childhood vaccines, drawing from cohort studies showing 20-50% lower titers in high-PFAS groups, and prompted CDC investigations into vaccine efficacy amid chemical burdens.^[94]^[95] EWG maintains explicit support for vaccination as a public health cornerstone, rejecting anti-vaccine labels, but critics contend its historical mercury framing and chemical-vaccine linkage amplify unfounded fears, diverging from consensus affirming vaccine safety profiles established through randomized trials and post-market surveillance.^[96]^[97]

Advocacy and Policy Efforts

Regulatory and Legislative Campaigns

The Environmental Working Group (EWG) has conducted extensive advocacy to influence federal and state regulations on pesticides, toxic chemicals, and agricultural subsidies, often partnering with coalitions to lobby lawmakers for stricter oversight. In the realm of pesticide regulation, EWG has opposed provisions like Section 453 in federal farm bills, which it argues would preempt state and local laws tailored to regional environmental needs, such as restrictions on pesticide use near schools or water sources.^[98] This stance positions EWG against agrochemical industry efforts to standardize regulations nationally, claiming such preemption undermines localized protections against residues linked to health risks.^[99] On food chemical safety, EWG has supported state-level bans on additives like certain dyes and preservatives, tracking over a dozen states enacting such measures by 2025 while urging Congress to reject bills that could override them.^[100] In 2025, EWG joined more than 80 organizations in a letter to Congress opposing legislation that would block state authority to regulate toxic substances in food, emphasizing the need for consumer protections beyond federal baselines.^[101] For per- and polyfluoroalkyl substances (PFAS), EWG advocated for California's A.B. 794, introduced in February 2025, to set stringent drinking water standards, and praised the EPA's September 2025 reaffirmation of PFOA and PFOS as hazardous under Superfund, facilitating polluter accountability.^[102] ^[103] Earlier efforts contributed to the 2016 TSCA Modernization Act, the first major update to chemical safety laws in four decades, following two decades of EWG's consumer education and policy pushes.^[104] EWG's farm bill campaigns focus on reallocating subsidies away from large-scale producers, criticizing 2025 House proposals for diverting funds from nutrition programs like SNAP to wealthy farmers—potentially shifting $30 billion—while cutting climate-smart agriculture initiatives.^[105] ^[106] The group has highlighted how subsidies from 1995 to 2024 totaled $539 billion, disproportionately benefiting a small fraction of top recipients producing commodity crops reliant on pesticides.^[107] In cosmetics regulation, EWG's advocacy aided California's 2020 Assembly Bill 2726, banning 12 toxic ingredients in products sold statewide.^[104] These efforts often involve public petitions, congressional testimony, and data-driven reports to pressure agencies like the EPA for residue limits and labeling requirements, though outcomes frequently face industry opposition and partial implementation.^[108]

Litigation and Public Mobilization

The Environmental Working Group has initiated and joined multiple lawsuits targeting corporate practices and government regulatory decisions perceived as inadequate for public health and environmental protection. In September 2024, EWG filed a lawsuit against Tyson Foods, Inc., in D.C. Superior Court under the District of Columbia Consumer Protection Procedures Act, alleging that the company's claims of achieving net-zero greenhouse gas emissions by 2050 and labeling beef as "climate-smart" were false or misleading given its ongoing high-emission meat production operations.^[109]^[110] In April 2022, EWG and co-plaintiffs sued manufacturers of menstrual products in the U.S. District Court for the Northern District of California, contending that these items contained per- and polyfluoroalkyl substances (PFAS), or "forever chemicals," without adequate disclosure despite known health risks.^[111] EWG has also pursued legal action against federal agencies. In January 2021, alongside the Environmental Defense Fund and Sierra Club, EWG challenged the Trump-era Environmental Protection Agency's risk assessment of the chemical 1,4-dioxane, arguing it unlawfully downplayed cancer risks and violated administrative procedures.^[112] In early 2025, EWG co-filed suit against the U.S. Department of Agriculture for deleting webpages on climate-smart agriculture and related farmer resources, securing a settlement by May 2025 that mandated restoration of the content.^[113]^[114] Additionally, in 2023, EWG applauded a federal court ruling requiring the EPA to regulate trichloroethylene under the Toxic Substances Control Act, following prior advocacy and legal pressure on the agency's delays.^[115] In state-level litigation, EWG contributed to a 2025 challenge against the California Public Utilities Commission's rooftop solar policies, prompting the state Supreme Court in August to vacate the rules and order re-evaluation for potential bias against distributed energy.^[116] EWG has further benefited from cy pres distributions in unrelated class-action suits over misleading product safety claims, directing unclaimed funds to support its research and advocacy without direct litigation involvement.^[117] EWG mobilizes public support primarily through digital advocacy tools rather than physical protests, leveraging an online community of over 30 million and an email subscriber base exceeding 500,000 to distribute action alerts, research summaries, and calls to engage policymakers.^[1]^[3] The organization hosts petitions on its website urging actions such as directing the EPA to ban glyphosate residues in food or the FDA to prohibit seven synthetic dyes linked to behavioral issues in children, often collecting thousands of signatures to submit as public comments during rulemaking.^[118] Supporters are directed to contact Congress or federal agencies via templated letters on issues like preventing federal overrides of state pesticide restrictions, with EWG providing shareable social media graphics and educational toolkits to amplify reach.^[119] To foster grassroots participation, EWG promotes low-barrier events like community "toxic parties" for discussing household chemical exposures and has critiqued industry-backed counter-mobilization efforts, such as front groups opposing transparency reforms.^[120] These efforts have historically influenced outcomes, including $1.3 billion in settlements for discriminated Black farmers in 2004 through public exposure of USDA data gaps.^[104]

Influence on Agricultural and Environmental Policy

The Environmental Working Group (EWG) has exerted influence on agricultural policy through advocacy for subsidy reforms, leveraging its database of USDA payments to highlight disparities favoring large-scale producers. Since its inception in 2005, the EWG Farm Subsidy Database has documented over $500 billion in payments from 1995 to 2023, showing that the top 10% of recipients claimed 78% of funds, primarily for commodity crops like corn and soybeans, which has fueled debates on capping subsidies at $125,000 per entity to support smaller family farms.^[121] This transparency effort contributed to provisions in the 2018 Farm Bill, such as enhanced reporting requirements, though critics argue it overlooks risk management benefits for commercial operations amid volatile markets.^[122] In Farm Bill negotiations, EWG has lobbied against measures perceived to entrench industrial agriculture, opposing the 2024 House proposal for increasing crop insurance subsidies—projected at $19.3 billion in 2022 payouts—while cutting SNAP benefits and climate conservation funding by up to $20 billion.^[123] ^[124] Their campaigns emphasized protecting $19.5 billion in climate-smart agriculture investments under the Inflation Reduction Act, influencing stalled bipartisan talks by amplifying concerns over environmental impacts like nutrient runoff.^[11] EWG's annual lobbying expenditures, reaching $620,494 in 2024, targeted these reforms via congressional testimony and coalitions.^[125] On environmental policy, EWG has pressured the EPA for pesticide restrictions, contributing to the 2021 federal ban on chlorpyrifos after documenting neurodevelopmental risks to children under the Food Quality Protection Act of 1996, which the group claims the agency underenforced.^[126] ^[127] They advocated for reevaluation of neonicotinoid insecticides in 2024, citing pollinator declines, though EPA assessments affirmed residue levels below safety thresholds based on peer-reviewed toxicology.^[128] EWG's reports on agriculture's 10-11% share of U.S. greenhouse gas emissions have informed pushes for agroecological shifts, but empirical data from USDA indicates such policies may reduce yields without commensurate emission cuts when scaled.^[129]

Scientific and Public Reception

Claimed Achievements and Positive Impacts

The Environmental Working Group (EWG) attributes its primary positive impacts to research-driven advocacy that has heightened consumer awareness of chemical exposures and influenced regulatory reforms. Since its founding in 1993, EWG claims to have empowered millions through databases and guides, such as the Farm Subsidy Database launched in 1995, which exposed inefficiencies in agricultural subsidies benefiting high-income recipients, and the Skin Deep cosmetics database, initiated in the early 2000s and accessed annually by tens of millions to evaluate product safety.^[104]^[34] The organization further asserts that its Tap Water Database, compiling over 20 million records, has revealed pollution affecting approximately 50 million Americans, prompting utilities and regulators to address contaminants like chromium-6 in municipal supplies.^[34]^[130] EWG credits its investigations with direct policy outcomes, including contributions to the 2016 Toxic Substances Control Act (TSCA) modernization, the first major federal overhaul of chemical regulation in four decades, which enhanced the Environmental Protection Agency's authority to assess and restrict hazardous substances.^[104] In California, EWG advocated for the 2020 Toxic-Free Cosmetics Act, prohibiting the sale of products containing 12 specified toxic chemicals, and supported three additional laws enacted in 2023 to limit harmful substances in food packaging, cosmetics, and mattresses.^[104]^[131] The group also claims influence on federal actions, such as the EPA's 2022 designation of two per- and polyfluoroalkyl substances (PFAS) as hazardous under the Superfund program, facilitating remediation at contaminated sites, following EWG's mapping of PFAS pollution impacting an estimated 200 million people and associating it with over 100,000 potential cancer cases.^[104]^[34] On the consumer front, EWG maintains that initiatives like the EWG VERIFIED mark, introduced in 2016 and now featured on over 2,200 personal care, cleaning, and baby products, have driven manufacturers to reformulate items for reduced toxicity, while early reports—such as 1995 findings of pesticide residues in baby food—spurred federal adjustments to tolerance levels under the Food Quality Protection Act.^[104]^[34] Additionally, a 2005 study by EWG detecting 287 industrial chemicals and pollutants in umbilical cord blood of newborns underscored fetal exposure risks, informing subsequent public health discussions and avoidance strategies.^[104] EWG posits these efforts collectively reduce individual exposures to pesticides, PFAS, and other persistents, though it emphasizes ongoing needs amid regulatory gaps.^[34]

Criticisms of Alarmism and Scientific Validity

The Environmental Working Group (EWG) has faced substantial criticism from toxicologists, risk assessment experts, and regulatory scientists for promoting alarmist interpretations of data that deviate from established principles of toxicology, such as the maxim that "the dose makes the poison" and the importance of exposure levels relative to safety thresholds. A 2009 survey of 937 members of the Society of Toxicology found that 79% believed EWG overstated chemical health risks, reflecting a pattern of emphasizing trace detections over verifiable harm.^[7] Critics argue that EWG's methodologies often ignore peer-reviewed risk assessments by agencies like the EPA and FDA, which incorporate large safety margins (e.g., 100-fold below no-observed-adverse-effect levels), leading to public fear disproportionate to empirical evidence.^[7] EWG's annual "Dirty Dozen" list of produce with allegedly high pesticide residues exemplifies these concerns, as it ranks items based solely on detection frequency without quantifying concentrations, toxicity, or dietary exposure risks. USDA data analyzed by EWG show residues on conventional produce are present in only about 50% of samples, with over 99% below EPA tolerances designed to prevent harm even with lifelong daily consumption; a probabilistic modeling study of exposures from the listed commodities found 75% below 0.01% of chronic reference doses, concluding negligible risks.^[132]^[133] Yet EWG portrays these as dangerous, potentially deterring fruit and vegetable intake—linked to reduced chronic disease risk—while overlooking that organic produce also contains pesticide residues, including synthetic ones in up to 14% of samples violating standards.^[68]^[132] Similar flaws appear in EWG's sunscreen evaluations, where products are downgraded for using FDA-approved UV filters like oxybenzone, despite evidence of their efficacy in preventing skin cancer, while mineral-based alternatives with lower broad-spectrum protection receive higher scores. Dermatologists and industry toxicologists contend this misguides consumers toward less effective options, eroding trust in proven formulations and potentially increasing UV-related harms, as U.S. sunscreens undergo rigorous testing absent in some EWG-preferred European imports.^[134] EWG's Skin Deep database has also been faulted for arbitrary scoring systems that assign hazard ratings based on uncontextualized animal data or theoretical concerns, disregarding human exposure realities and regulatory consensus on safe ingredients like BPA or food colorings.^[7] These practices, critics assert, prioritize advocacy over causal evidence, cherry-picking data to amplify chemophobia while aligning with donor interests in organic markets, ultimately undermining public health by fostering avoidance of beneficial products without substantiating claims of widespread toxicity.^[7]^[68]

Ties to Industry Interests and Bias Allegations

The Environmental Working Group (EWG) has faced allegations of financial ties to the organic food industry, which critics argue create incentives to prioritize narratives that promote organic products over conventional alternatives. Between 2013 and 2018, EWG received annual grants from the Organic Voices Action Fund (OVAF), a nonprofit supported by organic companies, to fund joint advocacy campaigns on pesticide reduction and related issues.^[135] OVAF, in turn, has been financed by organic industry players, including contributions of at least $100,000 from Stonyfield Farm.^[13] Additional donors linked to EWG include organic brands such as Organic Valley, Earthbound Farm, Nature's Path, and Annie's Homegrown, which collectively provide substantial support through direct and indirect channels.^[136] ^[42] These connections have prompted claims of inherent bias in EWG's consumer guides, such as the annual "Dirty Dozen" list of produce allegedly high in pesticide residues, which emphasizes risks from conventional farming while advocating organic alternatives without fully accounting for pesticide use in organic systems or dose-response thresholds.^[137] Critics, including scientists and agricultural analysts, contend that such reports function as marketing tools for organic donors by amplifying perceived dangers of non-organic foods, potentially inflating sales for EWG's backers without rigorous evidence of superior safety.^[5] EWG maintains independence, asserting that its funding comes primarily from foundations and individuals rather than industry directives, but the pattern of organic-linked contributions raises questions about selective scrutiny that spares donor-aligned sectors.^[45] Further allegations involve EWG's collaborations with tort litigation firms, where its reports on contaminants like PFAS ("forever chemicals") have been cited in lawsuits leading to multibillion-dollar settlements, such as the $4 billion agreement involving DuPont, Chemours, and Corteva in 2021.^[138] ^[139] Observers argue this dynamic fosters a feedback loop: EWG's alarmist assessments generate public concern that fuels class-action suits, from which litigation funders and lawyers profit, while EWG gains visibility and potential indirect benefits through policy influence and donations.^[139] EWG has not publicly disclosed direct financial stakes in these outcomes, but the absence of transparency in such partnerships has intensified scrutiny over whether advocacy aligns more with litigious interests than disinterested science.^[5]

Funding and Financial Transparency

Primary Funding Sources

The Environmental Working Group (EWG), a 501(c)(3) nonprofit, derives its primary funding from individual contributions and grants awarded by private charitable foundations. According to EWG's financial disclosures, private foundation grants constitute approximately one-third of its total funding, typically provided as multi-year commitments to support scientific research, public education, and policy advocacy initiatives.^[45] The organization reports that the balance of its revenue comes from individual donations, proceeds from charitable events, and related sponsorships, while explicitly declining funds from corporations, labor unions, government entities, or political parties.^[45] ^[135] EWG's annual operating budget surpasses $10 million, enabling extensive report production and campaigns on topics such as pesticides, cosmetics, and agricultural policy.^[42] IRS Form 990 filings confirm reliance on contributions and grants, with revenue categorized under public support rather than earned income or investment returns, though specific donor identities for contributions exceeding $5,000 are often redacted in public versions for privacy reasons.^[47] Historical annual reports, such as the 2010 edition, detail foundation support comprising over 50% of funding that year, with named contributors including the David and Lucile Packard Foundation, Richard and Rhoda Goldman Fund, McKnight Foundation, and 11th Hour Project.^[140] ^[141] Critics, including analyses from advocacy funding trackers, have identified indirect ties to the organic food sector as a notable funding channel, channeled through affiliated nonprofits like the Organic Voices Advocacy Fund (OVAF), which receives support from organic brands such as Stonyfield Farm and Annie's Homegrown.^[42] These connections raise questions about potential alignment between EWG's critiques of conventional agriculture—such as warnings on genetically modified organisms and pesticide residues—and the market interests of donors who benefit from promoting organic alternatives, though EWG maintains its independence and frames such grants as aligned with shared environmental goals.^[142] No single foundation or donor dominates recent public disclosures, reflecting a diversified base that includes environmental philanthropies with histories of supporting anti-toxics and sustainability efforts.^[45]

Financial Scale and Grant Dependencies

The Environmental Working Group (EWG) maintains an annual operating budget in the range of $17 to $22 million, with total revenue of $21.75 million and expenses of $18.64 million reported for the fiscal year ending December 2024.^[47] This represents growth from prior years, including $18.08 million in revenue for 2023 and $13.56 million for 2022, reflecting an expanding financial footprint amid increased advocacy activities.^[47] Assets stood at $27.15 million in 2024, supported by net assets exceeding $17 million after liabilities of $9.85 million.^[47] EWG's revenue is diversified, with contributions comprising approximately 90% of 2024 income ($19.57 million), supplemented by 7% from program services such as licensing and consulting fees ($1.57 million) and 3% from investment income ($0.61 million).^[47] Within contributions, individual donations account for about 50% of total revenue, while private foundation grants provide roughly one-third, funding scientific research, education, and advocacy efforts.^[45] The remaining portion derives from in-kind donations, fundraising events, and other sources.^[45] This grant allocation indicates a moderate dependency on philanthropic foundations, which sustain core operations but do not dominate the budget given the substantial individual donor base and ancillary revenues.^[45] EWG's financial statements, audited annually and filed via IRS Form 990, underscore program expenses consuming 81% of spending, prioritizing mission-related activities over administrative costs.^[45] ^[143]

Concerns Over Donor Influence

The Environmental Working Group (EWG) has faced scrutiny for its incomplete disclosure of donors, listing only select foundations and individual contributions on its website while omitting detailed breakdowns of corporate or industry-linked support.^[13] This opacity raises questions about potential influences on its advocacy, as the organization reports that individual donations constitute approximately half of its annual revenue, with the remainder from grants and other sources not fully itemized publicly.^[45] Critics, including analysts from the Genetic Literacy Project, argue that EWG's funding from the organic and natural products industry creates incentives for biased campaigns, such as the "Dirty Dozen" list of produce allegedly high in pesticide residues, which promotes organic alternatives without accounting for actual health risks at typical exposure levels.^[8] Between 2013 and 2018, EWG received annual grants from the Organic Voices Action Fund (OVAF), a nonprofit aligned with organic trade groups, to support joint advocacy against genetically modified organisms (GMOs) and conventional pesticides—efforts that align with OVAF donors' commercial interests in organic sales.^[135] OVAF funding reportedly formed a significant portion of EWG's budget during this period, coinciding with campaigns like "Just Label It," which sought mandatory GMO labeling to highlight differences favoring non-GMO (often organic) products.^[5] Progressive foundations, including the David and Lucile Packard Foundation, the JPB Foundation, and the William and Flora Hewlett Foundation, have provided substantial grants to EWG, supporting its broader environmental health initiatives but potentially reinforcing a precautionary stance that prioritizes restriction over risk-based assessment.^[13] With an annual budget exceeding $10 million, EWG's reliance on such donors—combined with ties to organic manufacturers—has led to allegations that its research and ratings, such as the Skin Deep cosmetics database, favor donor-backed "clean" products while exaggerating hazards from regulated synthetic ingredients used in conventional goods.^[42] Independent reviews, such as those from InfluenceWatch, note that this funding structure may compromise EWG's claims of independence, as the organization has not addressed how donor priorities shape its selection of issues like sunscreen safety or farm policy critiques that indirectly boost organic markets.^[13] EWG maintains that its work remains evidence-driven and donor-agnostic, but the lack of full transparency fuels ongoing concerns about undisclosed conflicts.^[135]

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When you see the EWG Verified® mark on a product, you can be sure it's free from EWG's chemicals of concern and meets our strictest standards for your health.Learn more on ewg.org · Skin Care · Personal Care · Hair Care
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EWG skin deep what a scam! - Cyrille Laurent
Nov 6, 2019 · EWG Skin Deep is criticized for fear-mongering, inaccurate ratings of preservatives, fragrances, and sunscreens, and using uncritical data, ...
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The Problem(s) with the Environmental Working Group (EWG)
Apr 4, 2025 · The EWG is also criticized for being unwilling to change its published ratings on cosmetic ingredients, even when new scientific evidence ...
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Skin Deep Database: The Only Truth Behind Product Safety?
” The EWG's Skin Deep Database was launched in 2004 as an online product and ingredient database that contains information about the ...
[75]
Updated National Tap Water Database - NACCHO
The updated database details contaminants in nearly 50,000 water utilities, using 32 million test results for 517 contaminants, searchable by location, ...
[76]
EWG Reveals Toxic Chemicals in US Tap Water
Feb 26, 2025 · This year's update to the Environmental Working Group's Tap Water Database shows millions of Americans are drinking water tainted with harmful chemicals.
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What do the new federal PFAS drinking water standards mean?
Apr 5, 2024 · These standards, also known as maximum contaminant levels, limit the amount of PFAS legally allowed in tap water.<|control11|><|separator|>
[78]
EWG Study Reveals PFAS Treatment Boosts Water Safety
Sep 4, 2025 · In the 19 systems EWG studied, installation of advanced PFAS treatment technologies led to an average 42% drop in the level of trihalomethanes ...
[79]
Getting 'forever chemicals' out of drinking water: EWG's guide to ...
Jul 11, 2023 · EWG is recommending the most effective water filters for reducing PFAS. · Several water filter brands were able to eliminate some PFAS.
[80]
Don't Let That Viral Drinking Water Database Scare You - VICE
Jul 28, 2017 · On the methodology page, EWG also notes that it relied on EPA standards, California public health goals, and an assessment from the Minnesota ...
[81]
https://www.hydroviv.com/blogs/water-smarts/environmental-working-group-tap-water-database
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FAQs • What does the EWG database not show? - Everett, WA
Everett monitors for regulated and unregulated chemicals/compounds/substances in our drinking water that aren't included in the EWG database. Our 2019 Water ...
[83]
What is the EWG Tap Water Database? - Quora
Jun 20, 2019 · Never heard of it. But since this was an A2A, I looked it up and checked it out. I don't recommend anyone use it. I found it very misleading.
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Sunscreen Guide - Rated by Scientists | EWG
EWG scientists rated more than 1700 products, and only about one in four products meets our standards for adequate sun protection and avoids ingredients ...Daily Use SPFEWG VerifiedRecreational SunscreensRead the reportAll Sunscreens
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Just 1 in 4 Sunscreens Are Safe and Effective, Report Claims—Do ...
Jun 3, 2025 · A new report from the Environmental Working Group (EWG) claims less than 23% of sunscreens are safe and effective. Experts say the EWG's data ...
[86]
EWG's methodology for assessing sunscreens
EWG's 9th annual analysis of sunscreens comprises safety and effectiveness ratings for more than 1000 sunscreens, more than 600 SPF-labeled moisturizers, ...Ewg's Methodology For... · Modeling Sunscreen Efficacy... · Absorbance Spectra For...
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Statement By John Bailey, Chief Scientist, Personal Care Products ...
... EWG invents its own sunscreen product rating system based on very questionable scientific methodology. EWG's methodology for calculating SPF values has been ...
[88]
Addressing Sunscreen Safety: A Review of EWG's 2024 Guide to ...
Jul 5, 2024 · Recent findings from the Environmental Working Group (EWG) highlighted potential shortcomings in sunscreens available in the US market.
[89]
Are GMOs Bad for the Environment? | Environmental Working Group
Mar 9, 2016 · Not only have GMO crops not improved yields, they have vastly increased the use of glyphosate, the active ingredient in Monsanto's Roundup herbicide.
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EWG's 2014 Shopper's Guide To Avoiding GMO Food
Feb 19, 2014 · EWG's Shopper's Guide to Avoiding GMOs helps consumers find products made without ingredients that are likely to be genetically modified. As ...
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EWG report: Mothers support GMO labeling - POLITICO Pro
Jun 9, 2015 · The Environmental Working Group, in a new poll released today, says it found 93 percent of mothers think food companies should label when a ...<|separator|>
[92]
GMOs: What the Experts Actually Said | Environmental Working Group
May 25, 2016 · The GMO regulatory process is broken. The report found many flaws in the GMO regulatory process and called for regulatory reforms as well as ...
[93]
Is the Environmental Working Group a trusted resource or just a ...
Jul 10, 2025 · We used EWG as a resource. Their limits on contaminants in water are science based. Current regulatory limits are politically based. It takes a ...
[94]
PFAS Chemicals Harm the Immune System, Decrease Response to ...
Nov 12, 2020 · Studies suggest a connection between PFAS exposure and suppressed immune function, lower vaccine effectiveness, hypersensitivity and greater risk of autoimmune ...
[95]
CDC Investigates Potential Link Between 'Forever Chemicals' and ...
Dec 11, 2020 · A federal health agency is investigating whether exposure to the fluorinated “forever chemicals” called PFAS could affect the potential effectiveness and ...
[96]
The EWG's "Dirty Dozen" list is a danger to public health
Feb 25, 2024 · The Dirty Dozen list is an inaccurate representation of the risk to our health from eating conventionally grown fruits and vegetables.<|separator|>
[97]
Transcript of EWG podcast 'Ken Cook Is Having Another Episode
May 19, 2025 · In this podcast episode, EWG President and co-Founder Ken Cook and his guests spotlight the growing measles outbreak in the US.Missing: activities | Show results with:activities
[98]
Blocking State Pesticide Protections: Section 453's Impact
Aug 28, 2025 · The provision would bar states from regulating pesticides in a way that better fits their local environments and that best protects their ...
[99]
Stop Attacks on Local Pesticide Safety Laws!
Agrochemical giants like Bayer-Monsanto are actively lobbying Congress to wipe out state and local pesticide safety laws.
[100]
https://www.ewg.org/news-insights/news/2025/10/interactive-map-tracking-state-food-chemical-regulation-us
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https://www.ewg.org/news-insights/news-release/2025/10/over-80-groups-urge-congress-oppose-legislation-blocking-state
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Lawmakers, advocates introduce legislation to protect Californians ...
Feb 19, 2025 · A.B. 794 would establish new state drinking water standards to protect Californians from PFAS contamination. PFAS exposure has been linked ...
[103]
EPA Defends Hazardous Designation for PFAS - EWG
Sep 18, 2025 · EPA reaffirms PFOA, PFOS as hazardous. EWG supports action for consumer safety and environmental health, holding PFAS polluters accountable.
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Our Impact | EWG
EWG founded · Farm Subsidy Database launch · Pesticides in baby food · Toxic 'forever chemicals' · Economic justice for farmers · Pollution in newborns · EWG VERIFIED ...Missing: initiatives 2010-
[105]
The Cruelest Farm Bill Ever: Impact on SNAP & Subsidies
May 21, 2025 · The House budget bill will make it easier for wealthy farmers to receive farm subsidies and harder for poor people to receive anti-hunger assistance.
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A farm bill for the one-tenth of the 1% - Environmental Working Group
Jul 3, 2025 · Explore how the new farm bill favors the richest farmers with increased subsidies, impacting public health and consumer safety.
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EWG Farm Subsidy Database || Home
The database tracks $539 billion in farm subsidies from commodity, crop insurance, disaster programs and conservation payments paid between 1995 and 2024.United States · Farm Subsidy Primer · Iowa · Crop InsuranceMissing: campaigns | Show results with:campaigns
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Protect Your Health - Support Key Legislation| EWG
Want to learn about the latest legislation to protect human and environmental health? We've got you covered. Get involved and make your voice heard.
[109]
Tyson Foods sued over deceptive 'net-zero' and 'climate-smart ...
Sep 18, 2024 · The suit targets Tyson's claims that its industrial meat production operations will reach net-zero greenhouse gas, or GHG, emissions by 2050 and that it ...
[110]
Tyson Faces Lawsuit Over Net Zero Claims
Sep 25, 2024 · The Environmental Working Group (EWG) filed a lawsuit against Tyson Foods in DC Superior Court under the DC Consumer Protection Procedures Act (CPPA).
[111]
New lawsuit contends period products contain 'forever chemicals'
Apr 26, 2022 · ... lawsuit filed in the U.S. District Court for the Northern District ... Copyright © 2025, Environmental Working Group. All rights reserved.
[112]
EDF, EWG, and Sierra Club Sue over Trump EPA's Unscientific and ...
Jan 26, 2021 · EDF, Environmental Working Group, and Sierra Club filed a legal challenge to a flawed assessment of the chemical 1,4-dioxane issued by the ...Missing: litigation | Show results with:litigation
[113]
USDA Restores Climate Webpages After Farmers' Lawsuit
May 13, 2025 · ... Environmental Working Group (EWG). Resources purged from USDA websites include information on climate-smart farming, accessing federal loans ...
[114]
Trump USDA Sued for Erasing Webpages Vital to Farmers
Feb 24, 2025 · The lawsuit seeks a court order requiring USDA to restore access to key webpages and preventing USDA from removing additional climate-related ...
[115]
EWG applauds federal court ruling mandating EPA regulate toxic ...
May 9, 2023 · The court agreed the agency can't backtrack on its decision. ... The Environmental Working Group (EWG) is a nonprofit, non-partisan ...
[116]
California Supreme Court Orders Re-Review of Solar Policy
Aug 7, 2025 · The Environmental Working Group, Center for Biological Diversity and Protect Our Communities Foundation filed the suit over the CPUC's 2022 ...
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Cy pres support | Environmental Working Group
Advocacy. Support legislative and regulatory advocacy efforts aimed at reducing exposure to harmful chemicals and promoting transparency in labeling.<|separator|>
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Sign a petition | Environmental Working Group
Everyone has a part to play in the environmental health revolution. Join the fight today by selecting a petition and signing your name. The future is ours.Get Glyphosate Out Of Our... · Tell The Epa: Ban... · Fda Bans 7 Cancer-Causing...Missing: campaigns | Show results with:campaigns
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Take Action - Environmental Working Group
Whether you chose to sign a petition to Congress or donate directly to EWG, you can take action today to protect your health and your environment.
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Toxic parties? You bet. | Environmental Working Group
One effective way to inspire grassroots involvement is for supporters ... Copyright © 2025, Environmental Working Group. All rights reserved. Visit ...
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Farm Subsidies | Environmental Working Group
Farm subsidies overwhelmingly flow to the largest, most successful farms producing a handful of crops. EWG uses data to expose failures in our farm safety net.Missing: campaigns | Show results with:campaigns
[122]
2019 Annual Report | www.EWG.org - Environmental Working Group
EWG successfully raised awareness about agriculture's impact on drinking water during the farm bill renewal, resulting in several promising provisions in the ...Big Wins · Science Program · Conservation ProgramMissing: achievements | Show results with:achievements
[123]
Triple dipping: House farm bill increases likelihood of wealthy ...
May 21, 2024 · Farmers across the country may have dipped into three types of taxpayer-funded federal farm support programs to collect more than $55.2 billion.Missing: campaigns | Show results with:campaigns
[124]
What They Are Saying: Groups Oppose Partisan Farm Bill
May 20, 2024 · Environmental Working Group: “Environmental Working Group (EWG) strongly opposes the farm bill proposed last week and instead urges you to ...
[125]
Environmental Working Group Profile: Summary - OpenSecrets
Environmental Working Group organization profile. Contributions in the 2024 cycle: $8539. Lobbying in 2024: $620494. Outside Spending in the 2024 cycle: $0.Missing: operations | Show results with:operations
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How states and the EPA acted to ban the brain-damaging pesticide ...
Dec 5, 2024 · EWG faults the EPA for allowing the sale of remaining stocks of Dursban, and writes to major retailers including Home Depot and Lowe's ...
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EWG Study: EPA Fails To Follow Landmark Law To Protect Children ...
Feb 12, 2020 · “Given the potential health hazards of pesticides in our food, it is disturbing that the EPA has largely ignored the law's requirement to ensure ...
[128]
'Big year' for neonics as EWG calls for stricter EPA insecticide reviews
Jun 7, 2024 · EWG frequently urges the EPA to better protect public health through standards based on the best science, Temkin said.<|separator|>
[129]
Will agriculture be America's leading source of greenhouse gas ...
Oct 31, 2024 · Agriculture is responsible for at least 10 percent of annual US greenhouse gas emissions. When combined with emissions from fertilizer production, the sector's ...
[130]
https://www.ewg.org/tapwater
[131]
EWG scores crucial victories with three new California laws to ...
Oct 13, 2023 · EWG has helped usher in three new California laws that will reduce exposure to harmful chemicals in food, cosmetics and mattresses.Missing: wins successes
[132]
The Truth About Pesticide Residues On Produce - Forbes
Apr 10, 2018 · The EWG's "Dirty Dozen List" claims to tell you which produce to buy organic to avoid pesticide residues. It doesn't tell you that that ...
[133]
Dietary Exposure to Pesticide Residues from Commodities Alleged ...
Mar 16, 2011 · In summary, findings conclusively demonstrate that consumer exposures to the ten most frequently detected pesticides on EWG's “Dirty Dozen” ...
[134]
Experts Underscore Importance of Sunscreen Use, Calling New ...
May 20, 2025 · The EWG's Guide misleads the public, falsely suggesting that certain widely used UV filters currently available in the US are unsafe compared to those ...Missing: ratings | Show results with:ratings
[135]
Setting the record straight on EWG's funding and Shopper's Guide to ...
Apr 3, 2023 · Fact: EWG accepts no programmatic funding from brands or businesses operating in the industries or product categories we research, evaluate ...
[136]
Would You Rather Buy Organic Or Poison Your Family? EWG Wants ...
Jul 12, 2016 · Largely funded by organic industry sponsors like Organic Valley and Stonyfield Farms, the EWG doesn't evaluate or discuss pesticides used in ...
[137]
Food Science Babe: The dirty deception of the 'Dirty Dozen' - AGDAILY
Mar 18, 2021 · The EWG claims to be ranking fruits and vegetables based on the levels of pesticides from “dirtiest” to “cleanest,” but is that really the case?
[138]
DuPont, Chemours and Corteva Reach $4 Billion Settlement on ...
Jan 22, 2021 · Separately, DuPont, Corteva and Chemours have agreed to settle ongoing matters in the multidistrict PFOA litigation in Ohio for $83 million.
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Viewpoint: Money grab — How the Environmental Working Group ...
Feb 26, 2024 · (1) Yes, that has to be done in advance, which means EWG did not disclose their conflict of interest and the paper should be retracted. If the ...<|control11|><|separator|>
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2010 Annual Report | www.EWG.org - Environmental Working Group
Foundations, $3,238,500, 56%. Consulting, $155,948, 2.7%. Interest & ...
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Donors - Environmental Working Group
Klean Kanteen; • Jody Kleinman; • Lapham Family Foundation; • Diane & John Furlan; • Fa & Roger Liddell; • Roselee Molloy & Jonathan Knight; • Organic Valley ...
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Environmental Working Group | Charity Ratings | Donating Tips
According to the Environmental Working Group (EWG) audited Statement of Activities for the year ended December 31, 2021, EWG received in-kind contributions ...
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[PDF] Return of Organization Exempt From Income Tax - EWG website
Jul 14, 2025 · ANNUAL INTERNAL REVENUE SERVICE FEDERAL. ENVIRONMENTAL WORKING GROUP. 52-2148600. FORM 990 AND THE FORM 1023 ARE PROVIDED UPON REQUEST. 39.