The United States may once again experience episodes of acid rain as a result of Donald Trump’s recent decisions to weaken ...

Acid rain is one of the most destructive environmental threats to forests and their inhabitants. From weakening trees to harming wildlife, this invisible danger is reshaping entire ecosystems.

"Welcome to the Black Triangle," said paleobiologist ... She wants to compare tree pollen from a modern forest killed by acid rain with fossil pollen found in Permian rocks. Like a homicide ...

Benji previously worked as a wildlife researcher. In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from ...