1 The six gases are: carbon dioxide CO2, methane CH4, nitrous oxide N2O,hydrofluorocarbons HFC, perfluorocarbons PFC and,1 International Crisis Group
20040616Tag内容描述：
1、1 The six gases are: carbon dioxide CO2, methane CH4, nitrous oxide N2O,hydrofluorocarbons HFC, perfluorocarbons PFC and。
2、1 International Crisis Group ICG. Darfur Rising: Sudans New Crisis. March 25, 2004.Congressional Research Service The Li。
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