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 ...

Acid rain is one of those environmental problems that might sound distant, but it affects forests, lakes, wildlife, buildings ...

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 ...

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 ...