sentences:  Under the United Nations Framework Convention on Climate Change (UNFCCC), countries must estimate and report GHG emissions and removals, including changes in carbon stocks in all five pools (above- and below-ground biomass, dead wood, litter, and soil carbon) and associated emissions and removals from land use, land-use change and forestry activities, according to the Intergovernmental Panel on Climate Change's good practice guidance.Tropical deforestation represents nearly 25 percent of total anthropogenic GHG emissions worldwide.Deforestation, forest degradation, and changes in land management practices can cause releases of carbon from soil to the atmosphere.