Greenhouse gases are the chemical compounds within the earth's atmosphere which contribute to the greenhouse effect and global warming.
The most significant greenhouse gases are:
- Water vapour (H2O)
- Carbon dioxide (CO2)
- Methane (CH4)
- Ozone (O3)
Other greenhouse gases include flourinated carbon compounds such as CFCs, carbon monoxide (CO), nitrous oxide (N2O) - and many others.