Top Carbon Dioxide Emitters in Thousands of metric tonnes per year. Source: Wikipedia 
2008 emissions
544091 Canada 7031916 China 786660 Germany 1742698 India 538404 Iran 1208163 Japan 1708653 Russia 522856 United Kingdom 5461014 United States
2010 emissions estimates
518475 Canada 8240958 China 762543 Germany 2069738 India 574667 Iran 1138432 Japan 1688688 Russia 493158 United Kingdom 5492170 United States
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