Just when you thought it was safe to go out in wet weather, acid rain "may have a sequel", said Popular Mechanics, and "like most sequels, it's arguably worse". And it might not have a happy ending ...

Decades ago, acid rain was one of the world's most alarming environmental crises. Pollution from coal power plants and cars made rainfall so toxic that it killed fish, wiped out forests, and even ...

You remember acid rain, right? Acid rain, like holes in the ozone layer, was a phrase that almost everyone knew from the 1970s to the 2000s. People had images of taking out their umbrellas only to see ...