The Pew Center on Global Climate Change is now the Center for Climate and Energy Solutions (C2ES). As C2ES, we will continue to provide independent analysis and innovative solutions to address the climate and energy challenge. Please take this opportunity to update your links.

Global Anthropogenic GHG Emissions by Gas

CO2 accounts for about 77 percent of total greenhouse gas emissions. Methane primarily from agriculture, contributes 15 percent of greenhouse gas emissions and nitrous oxide, mostly from industry and agriculture contributes 7 percent to global emissions.

Note: All figures here are expressed in CO2-equivalents.


 
Source: Climate Analysis Indicators Tool, World Resources Institute