http://timeforchange.org/global-warming/carbon-footprint
The world-wide average is 4 tons of carbon dioxide (CO2) per person per year
The average of all industrialised nations is about 11 tons of carbon dioxide (CO2) per person per year
In the medium and long term, a world-wide average emission of maximum 2 tons of carbon dioxide (CO2) per person per year must be targeted. This amount is nowadays considered to be the maximum allowed quantity for a sustainable living on earth.
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