国会预算办公室：2025年农业部门的温室气体排放报告（英文版）

Agriculture is the fourth-largest GHG-emitting sector in the United States, behind transportation, electric power, and the industrial sector. (That ranking reflects the allocation of emissions from producing electricity to the electric power sector rather than to the sectors in which the electricity is used.) In those other sectors, more than 90 percent of the collective GHG emissions are CO2 , which largely comes from the combustion of fossil fuels to produce energy. But nearly all emissions