We eat, breathe and drink them, but there is still much we don’t know. We’re talking about microplastics. They’re dangerous for the environment and for our...
The number, far higher than any previous estimate, poses a test for the new government. Experts fear that sarin, chlorine and mustard gas stockpiles could be...
When President Trump placed new tariffs on China this month, he doubled down on one of his top demands on Beijing: to rein in the chemical...
The Biden-era rules require thousands of hazardous-chemical sites to adopt new safeguards against storms, spills and other risks.
The two solvents, known as Perc and TCE, cause kidney cancer and other ailments, and have been the subject of years of controversy.
Public health advocates worry that Donald Trump could unravel federal clean water efforts, including restrictions on lead pipes and chemicals known as PFAS.
Your sun protection could be damaging coral reefs. Here's what you can do about it.
A growing body of evidence shows a link between these products and a number of health disorders in Black women.
Industry groups said the E.P.A. had exceeded its authority in requiring the drinking-water cleanup. The chemicals, known as PFAS, are linked to cancer and health risks.
And other essential questions about protecting your skin from the sun, answered by experts.