Articles by David Andrews, Ph.D., Olga Naidenko, Ph.D., Alexis Temkin, Ph.D.

EWG comments on the WHO proposed guidelines for PFOA and PFOS contamination of drinking water

The Environmental Working Group submitted comments on the flawed World Health Organization draft guidelines for allowable levels of PFOA and PFOS contamination in drinking water. In October, EWG also...

Flawed WHO report on ‘forever chemicals’ fails human health, EWG scientists find

A draft World Health Organization analysis of the two most notorious “forever chemicals” disregards hundreds of health risk studies, claiming there are too many uncertainties to calculate a safe...

Chemicals in our food may be contributing to weight gain

It’s no secret rates of overweight, obesity and other metabolic diseases are skyrocketing. And food is a big part of the problem, though not in the way you might think. It isn’t just how many calories...

EWG comments to CDPR calling for an immediate end to imidacloprid pollution of California groundwater

Attached are EWG comments to the California Department of Pesticide Registration calling for an immediate end to imidacloprid pollution of California groundwater.

EWG comments to California Department of Pesticide Regulation on the development of a statewide pesticide notification system.

The Environmental Working Group submitted comments to the California Department of Pesticide Regulation in support of the development of a statewide pesticide notification system. EWG emphasized that...

EWG comments to EPA on chlorothalonil

The Environmental Working Group submits comments to the Environmental Protection Agency on the human health and ecological risk assessments for the fungicide chlorothalonil. EWG urges EPA to better...

EWG comments to EPA on tebuconazole

The Environmental Working Group submits comments to the Environmental Protection Agency on the human health risk assessment for the fungicide tebuconazole. EWG urges the EPA to better protect children...

The new generation of ‘forever chemicals’ – toxicity, exposure, contamination and regulation

The fluorinated chemicals called PFAS, for per- and polyfluoroalkyl substances, are a class of synthetic, toxic and persistent chemicals used in more than 1,000 consumer and industrial products and...

Fungicides commonly found on citrus linked to breast cancer risk

Consumption of two fungicides found on nearly 90 percent of citrus samples tested by EWG, and of two other pesticides – widely used insecticides – may increase women’s risk of developing...

EWG comments to NTP to prioritize professional and domestic cleaning workers in their occupational and inhalation exposure program

The Environmental Working Group submitted comments urging the Board of Scientific Counselors of the National Toxicology Program to include the exposures of professional and domestic cleaning workers...

EWG comments to NAS on EPA’s Integrated Risk Information System program

The Environmental Working Group submitted comments to the National Academies of Sciences, Engineering, and Medicine, emphasizing the Hallmarks of Cancer approach as a part of the cancer hazard...

EWG Comments to EPA To Ban All Uses of Chlorpyrifos

The Environmental Working Group submitted comments to the EPA urging the agency to revoke the proposed interim decision for chlorpyrifos, issued in December 2020, to cancel all chlorpyrifos uses, and...

EWG Comments to EPA Opposing New Uses of Aldicarb

EWG submitted comments to the EPA in opposition to proposed new uses of the neurotoxic insecticide aldicarb on oranges and grapefruit in Texas and Florida.

EWG Comments to EPA on Neonicotinoids

EWG submits comments opposing the EPA’s decisions to allow continued use of five neonicotinoid insecticides. EWG urges the EPA to restrict the use of these pesticides to prevent harm to pollinators...

EWG Comments to NTP on PFOA Carcinogenicity Report

EWG has submitted detailed technical comments to the National Toxicology Program regarding the draft report for PFOA carcinogenicity studies. EWG recommends the NTP reevaluate the carcinogenic...

PFAS and Developmental and Reproductive Toxicity: An EWG Fact Sheet

The toxic fluorinated chemicals known as PFAS are a class of environmentally persistent manmade chemicals that are used as water, grease and stain repellents in clothing and furniture, in industrial...

EWG Petitions CDC to Biomonitor Public for Glyphosate

EWG has submitted a petition to the Centers for Disease Control and Prevention requesting biomonitoring of the American public for glyphosate, a commonly used weed-killing chemical that has been...

EWG Comments on ATSDR Draft Toxicological Profile for Glyphosate

EWG submits comments on the Agency for Toxic Substances and Disease Registry's Draft Toxicological Profile for Glyphosate, supporting the agency's report of a possible link between glyphosate and non...

Cancer Risks From Monsanto’s Weedkiller Deserve Further Scrutiny, Government Agency Says

A new analysis of Monsanto's signature herbicide, glyphosate, released by the Agency for Toxic Substances and Disease Registry, part of the U.S. Department of Health and Human Services, gives weight...

Glyphosate Contamination in Food Goes Far Beyond Oat Products

Seems like every time a government agency or public interest group tests food for Monsanto's weedkiller glyphosate, which has been linked to cancer, they find it.