10 Countries that Produce the most Carbon Dioxide Emissions

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9. United States

CO2 Emissions (metric tons per capita): 13

Total Carbon Emissions: 5007.33

Final Average Score: 9.4

According to the United States Environmental Protection Agency, the overall greenhouse gas emissions in the US in 2021 stood at 6,340.2 million metric tons. In addition, carbon dioxide emissions surged by 5.2% between 2020 and 2021.

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