Glossary of Climate Change Terms CO2 equivalent or carbon equivalent carbon footprint CO2e carbon dioxide equivalents nitrous oxide hydrofluorocarbons https://www3.epa.gov/climatechange/glossary.html Glossary U.S. Environmental Protection Agency carbon dioxide https://www3.epa.gov/climatechange/glossary.html https://www3.epa.gov/climatechange/glossary.html carbon dioxide https://www3.epa.gov/climatechange/glossary.html Carbon or Carbon Equivalent Glossary of Climate Change Terms metric tons of carbon equivalent (MTCE) sulfur hexafluoride hydrochlorofluorocarbons carbon dioxide equivalents https://www3.epa.gov/climatechange/glossary.html ozone a glossary carbon dioxide equivalents Glossary of Climate Change CO2e Glossary of Climate Change Terms Glossary https://www3.epa.gov/climatechange/glossary.html methane U.S. Environmental Protection Agency ozone 681.5 metric tons of carbon dioxide equivalent nitrous oxide http://www3.epa.gov/climatechange/glossary.html perfluorocarbons chlorofluorocarbons carbon dioxide equivalents methane woordenlijst VS-milieuagentschap EPA a glossary Glossary of Climate Change Terms: Carbon Footprint