These vanishingly small particles are turning up in thousands of new products, including cosmetics. EWG is pressing for more thorough research, because the health effects are still poorly understood.

News & Research
Stay informed. Stay healthy.



Consumer Guides
The information you deserve to make healthier choices
Take Action
Join our fight
Legislation Center
Support a Greener Food System!

The science is clear: If we don't reduce greenhouse gas emissions from food and farming, we can't avoid the worst impacts of climate change. Join EWG in calling on Congress to make climate a priority in the 2023 Farm Bill.

Take Action

Explore related issues