Deutsch: Treibhausgase / Español: Gases de efecto invernadero / Português: Gases de estufa / Français: Gaz à effet de serre / Italiano: Gas serra /

Greenhouse gases are the gases in the earth"s lower atmosphere (troposphere) that cause the greenhouse effect. Examples include carbon dioxide, chlorofluorocarbons, ozone, methane, water vapor, and nitrous oxide.