![]() ![]() In 2014, the top carbon dioxide (CO 2) emitters were China, the United States, the European Union, India, the Russian Federation, and Japan. ![]() ![]() (2017). National CO2 Emissions from Fossil-Fuel Burning, Cement Manufacture, and Gas Flaring: 1751-2014, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Source: Boden, T.A., Marland, G., and Andres, R.J. Other Energy (10% of 2010 global greenhouse gas emissions): This source of greenhouse gas emissions refers to all emissions from the Energy sector which are not directly associated with electricity or heat production, such as fuel extraction, refining, processing, and transportation.(Note: Emissions from electricity use in buildings are excluded and are instead covered in the Electricity and Heat Production sector.) Buildings (6% of 2010 global greenhouse gas emissions): Greenhouse gas emissions from this sector arise from onsite energy generation and burning fuels for heat in buildings or cooking in homes.Almost all (95%) of the world's transportation energy comes from petroleum-based fuels, largely gasoline and diesel. Transportation (14% of 2010 global greenhouse gas emissions): Greenhouse gas emissions from this sector primarily involve fossil fuels burned for road, rail, air, and marine transportation. ![]() This estimate does not include the CO 2 that ecosystems remove from the atmosphere by sequestering carbon in biomass, dead organic matter, and soils, which offset approximately 20% of emissions from this sector.
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