products that release greenhouse gases

- fossil fuel emit carbon dioxide
- fire release carbon dioxide
- refrigerator releases chlorofluorocarbons, CFCs, lead to ozone depletion
- landfill, mining and fuel leakage, decomposition of fertilizer in soil will release methane
- use of fertilizer will release nitrous oxide


圖片參考：http://upload.wikimedia.org/wikipedia/en/e/e0/Greenhouse_Gas_by_Sector.png