He's a Nobel laureate for science without possessing a single credential as a scientist. He's an Academy Award winner with no acting, directing or film producing credits to his name. He's a guru of climatological disaster and he appears now to be an inveterate prevaricator.
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He needs to learn that the best fantasies are created with fictitious characters. When you start attributing artificially created scientific data to actual real-world scientists with a bit of reputation to uphold in their profession they are likely to stand up and pull the plug on your prognostications.
But, the sweat droplets that suddenly appeared on his blushing red brow seem to indicate a minor heat wave swept through Copenhagen and was focussed around the speaker's podium.