Greenhouse gas

Environmental policy.

(GHG).

Greenhouse gases are polluting gases that are generally believed to contribute to excessive warming of the earth ('global warming').

The best-known greenhouse gas is carbon dioxide (CO₂).

Other greenhouse gases include:

• Methane (CH₄)
• Nitrous oxide (N₂O)
• Hydrofluorocarbons (HFCs)
• Perfluorocarbons (PFCs)
• Sulphur hexafluoride (SF₆)

See also

• Carbon credits
• Carbon footprint
• Carbon-neutral
• Carbon tax
• Corporate social responsibility
• CRC Energy Efficiency Scheme
• Footprint
• Renewables