When smog floated above America’s big cities, it caused acid rain. It is sulfuric or nitric acid that falls to the ground ...

With bipartisan leadership and cooperation between the U.S. and Canada, acid levels slowly reduced, and recent samples ...

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

Before joining Vox, he was a senior energy reporter at Business Insider. Benji previously worked as a wildlife researcher. In the 1970s, acid rain was one of the most serious environmental threats ...