Extracting natural resources and the use of nitrogen fertilizers is making the air, soil and water more acidic, said a U.S. Geological Survey study.
A comprehensive review from a joint USGS-University of Virginia study found mining and burning of coal, the mining and smelting of metal ores and the use of nitrogen fertilizer are making the Earth more acidic. . .View Full Article
USGS Finds Earth More Acidic
Source: UPI (9/26/11)
"While companies in coal regions in the eastern U.S. have taken steps to improve their environmental legacy, regulations to do so in China aren't yet in place."