» global average temperatures

Earth"s climate including atmospheric composition, global average temperatures, ocean conditions, and other climate changes.

www: http://www.global-warming.ovh.org/

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» co2, greenhouse gas

The amount of carbon dioxide emitted per liter or gallon burned varies by fuel type, since each type of fuel contains a different amount of carbon per gallon or liter.

www: http://www.co2.emyk.pl/?title=Category:Global_warming

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