Argentina just ripped up its pioneering glacier law. What does this mean for millions of people’s drinking water?

Javier Milei’s revisions to the law will open up high-altitude areas to mining and risk water reserves already strained by the climate crisis, say activists

Drinking water near coasts is under threat worldwide

Fluoride in U.S. drinking water does not reduce IQ, a new study finds

Claims that fluoride in drinking water causes cognitive delays in kids are driving U.S. policy. A new study finds no evidence to back them.

E.P.A. Says It Will End Biden’s Coal Ash Disposal Rules

Lee Zeldin, the E.P.A. administrator, said the changes would help U.S. “energy dominance.” Environmentalists said they threaten drinking water.