Greenhouse Gas (GHG) Emissions

Partnership Programs

Businesses participating in EPA's voluntary partnership programs saved $37 billion and avoided emissions of 433 million tons carbon dioxide equivalent in 2017. Learn more in the Office of Atmospheric Programs annual update.

Greenhouse Gas (GHG) Emissions

What are the main GHGs?

Overview of Greenhouse Gases »
Learn about the most important GHGs and opportunities for reducing emissions.

Where do GHGs come from?

Sources of Greenhouse Gases »
See the human activities that add GHGs to our atmosphere and options to cut emissions.

Find out more about global greenhouse gas emissions and trends.

Review EPA's Inventory of U.S. Greenhouse Gas Emissions and Sinks report.

Explore facility-level data collected through EPA's GHG Reporting Program.

Icon for individual carbon footprint estimates.

Use the Individual Emissions Calculator to estimate your carbon footprint.