All Countries Must Sign On To Copenhagen Accord, Says Special Envoy On Climate Change

Special Envoy on Climate Change Todd Stern says that countries who have yet to associate themselves with the Copenhagen accord must do so as soon as possible. Stern also says that proper documentation targeting respective emission reduction should have been done by January 31.

The accord gave individual countries the responsibility to calculate emission reductions and also capped the increase in global average climate temperature at 2 degrees centigrade. (0:31)
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