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Q: What types of industries emit the most greenhouses gases?
A: The greenhouse gas released in the greatest amount is carbon dioxide. Most carbon dioxide that is released into the atmosphere is related to burning of fossil fuels, such as oil, coal and natural gas. [ The largest producer of carbon dioxide emissions are power plants that produce electricity. Power plants burn large amounts of coal and must produce power 24 hours a day. Other industries that
produce large amounts of carbon dioxide are the transportation industry through the burning of diesel fuel and jet fuel along with iron and steel producers. Methane Methane is 20 times more effective at trapping heat, according to the EPA. The largest producer of methane are natural gas systems through heating of homes and other uses. Farming and farming-related activities makes it the largest industry-producing methane gas. Enteric fermentation, also known as the digestive process in animals, is the second largest producer of methane gas. Manure maintenance is the fifth largest producer of methane. Other large producers of methane gas include landfills, coal mining and waste water treatment facilities. Nitrous Oxides Nitrous oxides are 300 times more efficient at capturing heat than carbon dioxide. The levels of nitrous oxides released into the atmosphere are much lower than carbon dioxide emissions, according to the EPA. The agricultural industry is the largest producer of nitrous oxides through soil management processes, such as the use of fertilizers. Manure management is the third largest producer of nitrous oxides. Other industries producing the largest amounts of nitrous oxides include nitric acid production and adipic acid production. Hydrofluorocarbons Hydroflourocarbons, HFCs, do not deplete a stratospheric ozone, however, it is considered a greenhouse gas by the EPA because of its ability to capture heat in the atmosphere. The largest source of HFCs are through the production of HCFC-22, or hydrochlorofluorocarbons, which are used in refrigeration and a wide variety of manufacturing processes. ]
thederby|Points 1429|
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Asked 9/13/2012 3:49:21 PM
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