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Sunday, February 10, 2013

No, David Attenborough: Africa hasn't warmed by 3.5 degrees C in two decades

Read the whole article at The Telegraph and follow the links.

It's not often one looks to the Guardian's environment pages for an incisive and thorough critique of green propagandising. But hats off – really – to Leo Hickman for this ruthless deconstruction of an erroneous claim made by David Attenborough on his latest BBC nature documentary that in the last twenty years Africa has warmed by 3.5 degrees C.

3.5 degrees C in two decades? That would indeed be a remarkable temperature rise in anybody's money. (Remember, since 1850 global mean temperatures have risen by about 0.8 degrees C – and we're supposed to find that worrying and significant).

To his credit, this troubled Leo Hickman, too.

So began his wild goose chase to track down the source of the BBC's factoid. 

As you'll see from his superb piece he never got a terribly satisfactory answer.

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