Effect of Greenhouse Gases in U.S. and Globally – EPA.gov
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“In the United States, greenhouse gas emissions caused by human activities increased by 7 percent from 1990 to 2014. Since 2005, however, total U.S. greenhouse gas emissions have decreased by 7 percent. Carbon dioxide accounts for most of the nation’s emissions and most of the increase since 1990. Electricity generation is the largest source of greenhouse gas emissions in the United States, followed by transportation. Emissions per person have decreased slightly in the last few years.”
EPA’s page on greenhouse gases with information about the impact of greenhouse gases, how they are created, and a chart on specific pollutants. This page also leads to more scientific resources on greenhouse gases and climate change.
- Climate Change Indicators: Greenhouse Gases
- Environmental Protection Agency
- No date.
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