Top Carbon Dioxide Emitters

by Beth Rowen

Carbon dioxide is a heat-trapping gas that contributes to the greenhouse effect. These are the countries that emit the most carbon dioxide.

1. China
2. United States
3. India
4. Russia
5. Japan
6. Germany
7. Iran
8. South Korea
9. Canada
10. South Africa

Source: U.S. Department of Energy, 2011.

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