14 Feb '12, 8am

Soil Erosion Increasing Global Warming Threat: UNEP

Soil Erosion Increasing Global Warming Threat: UNEP Date: 14-Feb-12 Country: UK Author: Nina Chestney Global warming will get worse as agricultural methods accelerate the rate of soil erosion, which depletes the amount of carbon the soil is able to store, a United Nations' Environment Programme report said on Monday. Soil contains huge quantities of carbon in the form of organic matter. which provides nutrients for plant growth and improves soil fertility and water movement. The top meter of soil alone stores around 2,200 billion tonnes of carbon, which is three times the level currently held in the atmosphere, said the UNEP Year Book 2012. "Soil carbon is easily lost but difficult to rebuild," the report said. "Soil carbon stocks are highly vulnerable to human activities. They decrease significantly (and often rapidly) in response to changes in land cover and land use suc...

Full article: http://planetark.org/enviro-news/item/64676

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