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 ...

NORFOLK, Va. — Acid rain is a serious environmental problem caused by air pollution. It forms when sulfur dioxide and nitrogen oxides are released into the atmosphere, mainly from burning fossil fuels ...

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 ...

In the White Mountains of New Hampshire, the streams are telling us a story about forest recovery following acid rain and logging. According to a new study in the Proceedings of the National Academy ...