"Because the biochar keeps carbon in the ground for years, even centuries, Cool Planet argues that its process takes more CO2 out of the atmosphere than it adds

"Because the biochar keeps carbon in the ground for years, even centuries, Cool Planet argues that its process takes more CO2 out of the atmosphere than it adds in." Critical take on biochar from Monbiot: http://www.theguardian.com/environment/2009/mar/24/george-monbiot-climate-change-biochar http://www.theguardian.com/environment/2009/mar/24/george-mo...