T_in_PA3, You can search google the same as I.Read some more here on acid rain here.

announced its intent to sue the Tennessee Valley Authority (TVA) for emitting more than 3 million tons of smog and acid rain pollutants from coal-fired
http://www.npca.org/media_center/press_releases/2000/page.jsp?itemID=27598846

It also plays a role in the formation of acid rain, which damages trees,
http://www.biologicaldiversity.org/swcbd/PRESS/sulfur-dioxide2-6-2006.html

State Attorney General Roy Cooper sued the Tennessee Valley Authority on Monday, ... The pollutants create haze and soot, foul creeks and lead to acid rain,
http://www.newsobserver.com/102/story/394642.html

TVA lawsuit Q&A ... On behalf of the people of North Carolina, Cooper filed suit against the Tennessee Valley Authority (TVA)
http://www.smokymountainnews.com/issues/02_06/02_08_06/tvasuite.html