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Greenhouse Methane Yao Yao & Mason Edwards. Natural Gas and Petroleum Systems Enteric Fermentation Landfills Mining operations Wastewater Anthropogenic.

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Presentation on theme: "Greenhouse Methane Yao Yao & Mason Edwards. Natural Gas and Petroleum Systems Enteric Fermentation Landfills Mining operations Wastewater Anthropogenic."— Presentation transcript:

1 Greenhouse Methane Yao Yao & Mason Edwards

2 Natural Gas and Petroleum Systems Enteric Fermentation Landfills Mining operations Wastewater Anthropogenic Sources Wikipedia, 2011

3 Natural Sources & Sinks Permafrost Wetlands Termites Forests/Fires Gas Hydrates Chlorine Ions Hydroxyl Wikipedia, 2011 Hydrates Termites Forests/Fires

4 Methane Through Time

5 Source Category (TgCO 2 Eq.)1990200020052006200720082009 Natural Gas Systems190209190218205212221 Enteric Fermentation132137 139141 140 Landfills147112113112111116118 Coal Mining84605758 6771 Manure Management324247 514950 Petroleum Systems353229 30 31 Wastewater Treatment242524252425 Forest Land314102220128 Rice Cultivation7876677 Total for U.S. 675660631672665677686 Modern Trends EPA, 2010

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