Chemical
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Business
Chemical Makers Sue Over Rule to Rid Water of ‘Forever Chemicals’
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.
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Magazine
Are You Wearing Sunscreen the Right Way?
And other essential questions about protecting your skin from the sun, answered by experts.
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World
U.S. Accuses Russia of Using Chemical Weapons in Ukraine
The State Department said Russia had used chloropicrin, a poison gas widely used during World War I against Ukrainian forces, an act that would violate a global ban signed by Moscow.
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World
Frank Popoff, Who Sought to Lead a Friendlier Dow Chemical, Dies at 88
As chief executive, he pushed a company known for Agent Orange, napalm and chlorine to undo its confrontational reputation and promote environmental sustainability.
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Business
E.P.A. Sets New Rules to Limit Damage From Disasters at Chemical Facilities
The rules require facilities to explicitly address threats such as wildfires or flooding, including those linked to climate change.
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Health
California’s Ban on Red Food Dye Puts F.D.A.’s Food Policies on the Spot
The dye was banned in cosmetics after a study suggested it might be a carcinogen. Yet federal regulations still permit its use in foods, stoking concerns that helped build support for the new state law.