Research

We work closely with subject matter experts to bring you breakthrough research that you can count on. Explore our data-driven publications and reports.

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Water

PFAS Chemicals

Getting ‘forever chemicals’ out of drinking water: EWG’s guide to PFAS water filters

Taking ‘forever chemicals’ out of drinking water: EWG’s guide to PFAS water filters. Discover the most effective water filters for reducing PFAS contamination in your water. EWG's extensive tests...

July 11, 2023

EWG investigation: Dangerous agricultural chemical chlormequat found in popular oat-based products

A new EWG investigation finds for the first time troubling concentrations of the toxic agricultural chemical chlormequat in oat-based products sold in the U.S., including everyday brands marketed to...

January 31, 2023

Federal & State Energy Policy

Power and profit: How PG&E fails California ratepayers and what to do about it

EWG’s utility business model would create a more balanced policy and regulatory regime for PG&E customers. It is designed to hold the company responsible for its investment patterns and shift...

June 16, 2022

All Research

Displaying 73 - 96 of 185

Food

Food Chemicals

Nearly 500 ways to make a yoga mat sandwich

February 27, 2014

If you've planked on a yoga mat, slipped on flip-flops, extracted a cell phone from protective padding or lined an attic with foam insulation, chances are you've had a brush with an industrial...

Mercury

US Seafood Advice Flawed on Mercury, Omega-3s

January 21, 2014

People who follow the federal government's guidelines on seafood consumption are likely to consume too much mercury, a dangerous neurotoxin, or too few beneficial omega-3 fatty acids, according to a...

Chemical Policy

Cosmetics

Exposing the Cosmetics Cover-up

October 10, 2013

At EWG, we know how much you care about the safety of personal care products. Over the next several weeks we will delve deeper into some of the crucial issues surrounding these products. EWG's...

Midwest

Conservation

Washout

July 3, 2013

Media attention has understandably focused on flooding, especially given the devastating floods that have repeatedly struck the region in recent years.This year, it looks as if the Midwest will dodge...

Poisons in the Pipeline

June 20, 2013

On March 29, 2013, a pipeline carrying tar sands oil ruptured in Arkansas, sending an inky river through a residential neighborhood in the town of Mayflower. A concerned neighbor scooped up a sample...

Chemical Policy

Chemical Makers Inform Investors, Not The Public

August 3, 2011

The chemical industry has no trouble compiling production and sales information to give to investors on a quarterly basis. When human health or the environment are on the line, however, providing...

Chromium-6

Water

Chromium-6 in U.S. Tap Water

December 20, 2010

Laboratory tests commissioned by EWG have detected hexavalent chromium, the carcinogenic “Erin Brockovich chemical,” in tap water from 31 of 35 American cities. The highest levels were in Norman, Okla...

Chemical Policy

BPA

BPA Coats Cash Register Receipts

July 27, 2010

EWG found BPA on two-fifths of the 36 thermal paper receipts tested. Samples were gathered from major retail outlets including McDonald's, CVS, KFC, Whole Foods, Walmart, Safeway and the U.S. Postal...

Dioxin

Food

Dioxin

July 13, 2010

After nearly 30 years of delays caused by pressure from chemicals and defense industries, the US Environmental Protection Agency (EPA) is moving forward on setting a safety limit for exposure to...

Children’s Health

Cookware & Food Containers

Food

Food Chemicals

Kellogg's Cereal Recall:

July 12, 2010

A substance that leached out of cereal packaging and sickened consumers, spurring Kellogg's recall of 28 million boxes of Froot Loops, Apple Jacks and other popular children's cereals, has been...

Phthalates

Cosmetics

Reproductive Health

Not So Sexy

May 12, 2010

Laboratory tests commissioned by the Campaign for Safe Cosmetics and analyzed by EWG revealed 38 secret chemicals in 17 name brand fragrance products, topped by American Eagle Seventy Seven with 24...

Chemical Policy

Off the Books

December 1, 2009

The 33-year old law that was supposed to ensure that Americans know what chemicals are in use around them, and what health and safety hazards they might pose, has produced a regulatory black hole, a...

Cookware & Food Containers

Pollution in Minority Newborns

November 23, 2009

Laboratory tests commissioned by EWG have detected as many as 232 toxic chemicals in cord blood samples collected from 10 minority newborns. Notably these tests show, for the first time, bisphenol A...

Cleaning Supplies

Greener School Cleaning Supplies

November 3, 2009

You clicked an old link. EWG has updated resources on green cleaners you can use to choose healthy cleaning products for your family.

Children’s Health

EWG's Healthy Living Tips

October 18, 2009

EWG's scientists and public health researchers put our heads together and created a list of the most important steps you can take at home to promote your family's environmental health.

Water

Dog Food Comparison Shows High Fluoride Levels

June 26, 2009

EWG science review of fluoride and dental health, and why dogs might be at risk from high-fluoride diets.

Pollution in 5 Extraordinary Women

May 1, 2009

An unprecedented two-year study commissioned by the Environmental Working Group and conducted by four independent research laboratories in the United States, Canada and the Netherlands has documented...

Perchlorate

CDC Scientists Find Rocket Fuel Chemical In Infant Formula

April 2, 2009

Researchers from the U.S. Centers for Disease Control and Prevention (CDC) have reported that 15 brands of powdered infant formula are contaminated with perchlorate, a rocket fuel component detected...

Anniston, Alabama

March 27, 2009

The story of Anniston is a cautionary tale. Monsanto's internal documents, many of which are being posted here for the first time for the world to finally see, uncover a shocking story of corporate...

Children’s Health

Cosmetics

Toxic Chemicals in Kids' Bath Products

March 12, 2009

Children's bath products are often marketed as safe and gentle. However, laboratory tests commissioned by the Campaign for Safe Cosmetics found these products are commonly contaminated with...

PFAS Chemicals

Cookware & Food Containers

Water

Bush Administration Moved to Okay Teflon Pollution

January 14, 2009

In its final days, the Bush administration appears poised to issue an emergency health advisory for tap water polluted with the toxic Teflon chemical PFOA (perfluorooctanoic acid) effectively allowing...

Mercury

FDA's Midnight Mischief Heightens Mercury Risk to Pregnant Women, Infants

December 12, 2008

Fish is loaded with valuable nutrients, including protein, iron, omega-3 fatty acids, which reduce harmful cholesterol, lower blood pressure and prevent blood clots, and selenium, a trace mineral that...

BPA

Independent Science Panel Rebukes FDA on Toxic Plastic

October 29, 2008

FDA's advisory Science Board convened a BPA panel to evaluate an FDA staff risk assessment that termed bisphenol A (BPA) safe in food packaging. In its testimony to the panel, EWG highlighted 7 key...

Tips to avoid BPA exposure

October 17, 2008

Although completely eliminating exposure to bisphenol A (BPA) may not be possible, there are steps you can take to reduce your family's exposure to this chemical by avoiding common sources and...

Expert Spotlight

Chemical companies provide quarterly reports on production and sales figures to shareholders. Why shouldn’t the public and EPA receive similar reports every year about commonly used chemicals, some of which could pose a serious health risk?”

David Andrews, Ph.D.

Deputy Director, Investigations and and Senior Scientist

All Experts

News & Insights

Farm Subsidies

At least 10,000 farmers took over $11B in farm subsidies over 39 consecutive years

May 8, 2024

For nearly 40 years, the Department of Agriculture annually paid more than 10,000 farmers billions in taxpayer-funded farm subsidies or disaster relief, a new EWG analysis finds.

Food

Climate & Agriculture

Meat and Dairy Alternatives

Factory Farms

Does this cattle feedlot look “climate friendly” to you?

May 8, 2024

Brazen Beef, a Tyson Foods brand, claims its “climate friendly” beef production reduces greenhouse gas emissions by 10 percent compared to other beef.

Senate farm bill proposal makes climate a USDA priority

May 6, 2024

If enacted, the detailed farm bill proposal released last week by Senate Agriculture Committee Chair Debbie Stabenow (D-Mich.) would finally make it a permanent Department of Agriculture priority to...

Sunscreen

Best bang for your buck: Kids sunscreens

May 2, 2024

School’s almost out, and kids will soon be enjoying their favorite part of the year – summer vacation. Whether that means beach trips, summer camp or making memories with other neighborhood kids, they...

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Articles by David Andrews, Ph.D.