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PostPosted: Thu Dec 16, 2010 2:32 pm 
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The global food system is estimated to account for one-third of the world's total greenhouse gas emissions, says Anna Lappe, author of Diet for a Hot Planet. Yet, organic farming has the potential to help reduce agriculture's impact on global warming. According to Dr. David Pimentel, author of Food, Energy and Society, organic agriculture has been shown to reduce energy inputs by 30%. Organic farming also conserves more water in the soil and reduces erosion. Healthy organic soils tie up more carbon in the soil, helping to reduce CO2 levels in the atmosphere. An October 2010 study in California's Central Valley concluded that organic farming significantly reduced GHGs, while conventional agriculture increased GHGs in the atmosphere. Additionally, the National Sustainable Agriculture Coalition reported, "Sustainable and organic agricultural systems offer the most resilience for agricultural production in the face of the extreme precipitation, prolonged droughts and increasingly uncertain regional climate regimes."


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