Acid rain describes any form of precipitation that contains high levels of nitric and sulfuric acids. It can also occur in the form of snow, fog, and tiny bits of dry material that settle to Earth.

Acid rain is a very broad term. It encompasses not only rain but also other forms of precipitation including fog, hail, sleet, snow, dust, and gas. It can even cause haze or smog, contributing to the ...

Acid rain is a term that refers to not just rain but also other forms of precipitation such as snow, hail, sleet, and fog that has a higher acidity than normal. Acid rain is caused by the burning of ...

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 coal power plants and cars at the time that it turned ...

As pollution and sulfuric acid choked North American skies in the 1970s and 80s, a bipartisan, transnational agreement spearheaded by the Environmental Protection Agency combatted acid rain, which ...

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 ...