Research

Iowa – the nation’s top hog producer – had more than 15,000 factory farms in 2025 producing over 107 million tons of manure, a first-of-its-kind EWG analysis finds. This waste can pollute water...

EWG’s recommendation

Propyl gallate is an ingredient of concern, and EWG recommends limiting consumption of food containing this ingredient. 

Propyl gallate’s toxicity is linked to its breakdown in the...

EWG’s recommendation

BHA is an ingredient of concern. EWG suggests limiting consumption of foods with this ingredient.

The National Toxicology Program in 1991 classified BHA as “reasonably anticipated...

Roughly 18% of the U.S. population relied on drinking water from...

Paraquat is a highly toxic agricultural chemical that has been sprayed on fields for decades. Its value as a herbicide was discovered in 1955. It was introduced for commercial use in 1962 and the...

Over 4.2 million acres of flood-prone cropland in four major Corn Belt states of Illinois, Iowa, Minnesota and Wisconsin likely generate nitrous oxide emissions that contribute to climate change, and...

California is renowned for producing more than half of the nation’s fruits and vegetables, and they’re often contaminated with residues from dozens of synthetic pesticides. Some of those pesticides...

Thousands of everyday food products potentially could contain substances that carry unknown health risks, a new EWG analysis finds. 

Although Congress intended for most food chemicals to be rigorously...

With colder weather and Thanksgiving looming, this is a great time to make delicious warm apple pie, crisp and more. 

The only question is what kind of apples to use. New EWG research may provide...

Every year, California agricultural fields are sprayed with an average of 2.5 million pounds of pesticides identified as the toxic “forever chemicals” known as PFAS, a new Environmental Working Group...

Thousands of U.S. schools are near farms where harmful pesticides may be sprayed, an EWG analysis finds. But some members of Congress want to block states and local governments’ right to warn parents...

Millions of acres in four major Corn Belt states are used to grow "continuous corn” on the same fields year after year, requiring significant use of nitrogen fertilizer. This generates greenhouse gas...

Millions of cropland and pasture acres in the 13-state Mississippi River Critical Conservation Area, or MRCCA, lie within flood plains at greater risk of climate-driven extreme weather like flooding...

Almost $37 billion in federal crop insurance payments went to a small number of insurance companies and agents, a new EWG analysis finds. And the House-passed GOP budget bill and the bill proposed by...

In the past five years, some farmers across the country may have dipped into three types of taxpayer-funded federal farm support to collect a staggering $113.9 billion, according to EWG’s newly...

At least 40 million Americans served by more than 700 water utilities would lose drinking water protections if the next administration or a court rolls back new federal drinking water standards for...