The transportation sector, "other energy” category and buildings account for 14 per cent, 9.6 per cent, and 6.4 per cent, respectively. Emissions from the agriculture, forestry, and other land use (AFOLU) category represent 24 per cent of global GHG emissions, some in the form of methane and nitrous oxide. In addition, clearance of forests for agricultural expansion or mining projects releases C02 to the atmosphere, thus also contributing to climate change. For example, heatwaves, floods, hurricanes and rising sea levels and sea temperatures destroy crops or reduce crop yields and fish production.