Normas sanitárias principais recentes na esfera federal

Greenhouse gas (GHG) emissions from agriculture together with forestry (including land-use changes (LUC)) are responsible for nearly 30% of global anthropogenic emissions (IPCC, 2007), but the mitigation potential of these sectors is significant.

Sugar cane ethanol replaces fossil fuels, but changes in soil carbon could offset some of the benefit. Now, a study shows minor loss of soil carbon when pastures and croplands are converted to cane, but larger losses when converting native savannahs. Leia o artigo...