Acid rain is any form of precipitation that contains high levels of nitric and sulfuric acids. First coined by Scottish chemist Robert Angus Smith in 1852, acid rain can also occur in the form of snow ...

Acid rain has been greatly reduced but tons of toxis still drift down each year. MARCH 4, 2013— -- Acid rain commanded as much attention in the 1990s as global warming or the hole in the ozone ...

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 ...

With the pesticide DDT, lead paint, and the power plant emissions that were causing acid rain, growing public outcry eventually led to policy changes, despite pushback from industry. Climate change ...

Our state is part of the region that consistently leads the nation in emissions of acid rain-producing sulfur dioxide and nitrogen oxides. Pennsylvania is a leader in acid rain in the U.S. Acid rain ...

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 ...