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Bookmark or Share- Our Nation's Air 2021 - US EPAFor more than 50 years, the U.S. Environmental Protection Agency (EPA) has maintained its commitment to protecting public health by reducing pollutant emissions and improving air quality. This annual report, titled Our Nation's Air, summarizes the nation's air quality status and trends through 2020.
- Climate Change | US EPA - U.S. Environmental Protection AgencyLast updated on May 1, 2024. Comprehensive information from U.S. EPA on issues of climate change, global warming, including climate change science, greenhouse gas emissions data, frequently asked questions, climate change impacts and adaptation, what EPA is doing, and what you can do.
- Climate Change Indicators: U.S. Greenhouse Gas Emissions | US EPAFigure 1. U.S. Greenhouse Gas Emissions by Gas, 1990–2014. This figure shows emissions of carbon dioxide, methane, nitrous oxide, and several fluorinated gases in the United States from 1990 to 2014. For consistency, emissions are expressed in million metric tons of carbon dioxide equivalents.
- Overview of Greenhouse Gases | US EPATotal U.S. Emissions in 2022 = 6,343 Million Metric Tons of CO₂ equivalent (excludes land sector). Percentages may not add up to 100% due to independent rounding. Land Use, Land-Use Change, and Forestry in the United States is a net sink and offsets 13% of these greenhouse gas emissions.
- Inventory of U.S. Greenhouse Gas Emissions and Sinks | US EPAEPA develops an annual report called the Inventory of U.S. Greenhouse Gas Emissions and Sinks (Inventory), that tracks U.S. greenhouse gas emissions and sinks by source, economic sector, and greenhouse gas going back to 1990. EPA has prepared the Inventory of U.S. Greenhouse Gas Emissions and Sinks since the early 1990s.
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