25 Sep '11, 2pm

The Acid Earth ~ ~ #Eco #earth #conservation #oceans #climatechange #sustainability #pollution #weather #recycle

The Acid Earth ~ ~ #Eco #earth #conservation #oceans #climatechange #sustainability #pollution #weather #recycle

Human use of Earth’s natural resources is making the air, oceans, freshwaters, and soils more acidic, according to a U.S. Geological Survey — University of Virginia study available online in the journal, Applied Geochemistry. This comprehensive review, the first on this topic to date, found the mining and burning of coal, the mining and smelting of metal ores, and the use of nitrogen fertilizer are the major causes of chemical oxidation processes that end generate acid in the Earth-surface environment. These widespread activities have increased carbon dioxide in the atmosphere, increasing the relative acidity of oceans; produced acid rain that has increased the acidity of freshwater bodies and soils; produced drainage from mines that has increased the acidity of freshwater streams and groundwater; and added nitrogen to crop lands that has increased the acidity of soils.

Full article: http://www.enn.com/enn_original_news/article/43297

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