Research

If you’re concerned about harmful chemicals in your tap water, you may be thinking of getting a water filter pitcher for your kitchen countertop – or if you already have a filter, making sure it’s the...

EWG has researched actions the federal government is committed to taking, or for which it faces congressionally mandated deadlines, to tackle the “forever chemicals” known as PFAS.

Your baby’s food may contain potentially harmful pesticides – but the Environmental Working Group’s decades of fighting to protect children’s health have helped eliminate the most toxic threats from...

The findings are just a small sample of what to expect when the Environmental Protection Agency releases first-time data from thousands of public water systems across the U.S. that is likely to show...

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...

Polar bears have a PFAS problem: Pollution from the “forever chemicals” known as PFAS contaminates polar bears, tigers, monkeys, pandas, dolphins and fish and has been documented in more than 330...

The residents of Stanislaus County are at potential risk of health harms associated with the spraying of pesticides on agricultural fields in the region. Stanislaus County is one of 10 counties in...

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...

When parents and caregivers herd kids out the door for an outing, they typically grab snack food on the way. And one of the most convenient is a product kids love – fruit leather.

As far back as the 1970s, studies conducted by the Department of Defense showed that the firefighting foam used on military bases and ships known as aqueous film-forming foam, or AFFF, that contain...

As far back as the 1960s, animal studies showed the chemicals caused harm even months after exposure ended and industry studies showed they could migrate from paper and paperboard food packaging into...

For too many Americans, turning on their faucets for a glass of water is like pouring a cocktail of chemicals. Lead, arsenic, the “forever chemicals” known as PFAS and many other substances are often...

Drinking water supplies for almost 60 million people living in major cities and other urban areas throughout the U.S. are contaminated with elevated levels of nitrate, according to a new EWG analysis...

To make sure all communities have better and safer drinking water, EWG research strives to push federal agencies to increase public health protections and invest in drinking water infrastructure.

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The number of U.S. communities confirmed to be contaminated with the highly toxic fluorinated compounds known as PFAS continues to grow at an alarming rate. As of June 2022, 2,858 locations in 50...

Tap water samples from throughout Northern Virginia were contaminated with the “forever chemicals” known as PFAS at levels significantly higher than those previously reported for other parts of the...

For decades, firefighters have been exposed to the “forever chemicals” chemicals known as PFAS, through PFAS-based firefighting foams and firefighting gear coated with PFAS as a water repellant. Foam...

In California's San Joaquin Valley, the nation's leading agricultural region, Latinos make up the great majority of farmworkers.

Either toxic algae or potentially dangerous fecal bacteria forced the closure of at least 116 U.S. beaches this spring and summer and triggered health warnings at 162 more, according to a new analysis...

Rob Bilott's Exposure is a real-life whodunit, a page-turning courtroom drama, a David-and-Goliath story of one man against an industrial colossus and a shocking exposé of America's utterly broken...

A new EWG guide brings attention to food additives, commonly found in many processed foods, that can increase the risk of cancer, harm the nervous system, change the body's hormonal balance and affect...

Suspected industrial dischargers of the toxic fluorinated chemicals known as PFAS are located less than a mile of 27 schools or childcare facilities that maintain their own water systems, an EWG...

The health-food staple hummus and the chickpeas it is made from can be contaminated with high levels of glyphosate, a weedkilling chemical linked to cancer, according to independent laboratory tests...

In almost all of Minnesota's farm counties, the combination of manure plus commercial fertilizer is likely to load too much nitrogen or phosphorus or both onto crop fields, threatening drinking water...