Greenhouse gases

Greenhouse gases

Those gases which when released into the atmosphere contribute to the greenhouse effect and global warming. Among them are carbon dioxide, methane, chlorofluorocarbons and nitrous oxide.

http://www.eia.doe.gov/oiaf/1605/ggccebro/chapter1.html

http://yosemite.epa.gov/oar/globalwarming.nsf/content/Emissions.html