According to the Enironmental Protection Agency, methane is about 20 times more efficient at trapping atmospheric heat than carbon dioxide, the more famous greenhouse gas.
据环保总局透露，甲烷吸收大气热能的效率约是著名温室气体二氧化碳的20倍。
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Long-term diffusion model of atmospheric pollutant (ISCLT3) called regulatory model is a kind of Gaussian model recommended by U. S. Environmental Protection Agency.