Methane (CH4) arise from degradation of dead creatures. Although the methane in the air just 1.7 ppm. But the methane has the features of higher greenhouse gas carbon dioxide. Namely with equal volume Methane can absorb infrared radiation is better than carbon dioxide. Methane gas has increased due to rice farming, livestock, and combustion of biomass, the burning of coal, oil, fuel type And natural gas, the increase of methaneDirectly affect the greenhouse effect was ranked 2 deputy from carbon dioxide.Nitrous oxide (N2O) in nature caused by decomposing life by bacteria. But with the increasing current.Due to the industrial use of nitric acid in the production process such as industrial production nylon fibers, chemical industry.Some plastics, etc., and nitrous oxide increases directly affected the heat energy accumulated on the earth"s surface, about 0.14 watts per square meter. In addition, when nitrous oxide gas rose into the atmosphere, the stratosphere It will react with ozone gas. The shield of the world less ultraviolet radiation
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