Sign online petition for effective Copenhagen agreement
The UN is leading an online campaign to show world leaders the scale of public support for a strong binding climate agreement to come out of the global talks in Copenhagen next month.
The Seal the Deal campaign encourages internet users to sign a petition which will be presented to world leader prior to the December talks.
'Celebrities' of the environmental movement, from Nobel Prize-winning Kenyan tree campaigner Wangari Maathai to Hollywood actor Don Cheadle, have recorded a video promoting the campaign, which can be seen below.
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