How come "the world's leading expert on climate change" doesn't even know how much carbon dioxide there currently is in the air, wonders Christopher Booker.
© Telegraph UKLord Stern predicts that global warming will make the Arctic an ideal habitat for alligators
Confronted last week with the unfolding horror story of the Budget, we might have been grateful for the light relief provided by Lord Stern of Brentford, who told us how, unless we halt global warming, we can look forward to the sight of alligators gambolling at the North Pole, and Florida and Bangladesh sinking beneath the sea.
Since he produced the 570-page Stern Review in 2006, which Tony Blair described as "the most important report on the future ever produced by this Government", this former Treasury official and chief economist to the World Bank has won extraordinary adulation. In the US Congress he is acclaimed as "the world's leading expert on climate change", vying with Al Gore to be the world's Scaremonger-in-Chief