Sour Showers: Acid Rain Returns–This Time It Is Caused by Nitrogen Emissions

Scientific American: FROM SULFURIC TO NITRIC: Sulfuric acid rain has been responsible for dissolving some limestone and marble statues, but more importantly, be it sulfuric or nitric acid rain, it can kill fish and other living things. The acid rain scourge of the '70s and '80s that killed trees and fish and even dissolved parts of statues on Washington, D.C.'s National Mall is back. But unlike the first round, in which sulfur emissions from power plants mixed with rain to create sulfuric acid, the ......

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