Biochar's Triple Win: Healthier Soils, Improved Crops, and Decarbonization ACCESS Newswire Warming increases CO2 emissions in biochar-amended cropland soil (IMAGE) EurekAlert! Biochar boosts soil carbon near the surface, but lessens it deeper down Open Access Government Warming may weaken biochar’s climate benefits in cropland soils, global study finds EurekAlert! Interactive effects of straw and biochar alter humic acid composition and component associations EurekAlert!