AFP: Global warming 'unquestionably' linked to humans: France

PARIS — Global warming exists and is unquestionably due to human activity, the French Academy of Science said in a report published Thursday and written by 120 scientists from France and abroad.
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Allegre is a member of the Academy of Sciences and also signed off on the report.

"He has the right to evolve," the academy's president Jean Salencon said. Pecresse said: "The debate is over."

But Allegre told AFP that the document was a compromise and "I have not evolved, I still say the same thing, that the exact role of carbon dioxide in the environment has not been shown."