Bush aide says warming man-made

Bush aide says warming man-made

news.bbc.co.uk

The US chief scientist has told the BBC that climate change is now a fact.

Professor John Marburger, who advises President Bush, said it is more than 90% certain that greenhouse gas emissions from mankind are to blame.

The Earth may become "unliveable" without cuts in CO2 output, he said, but labelled targets for curbing temperature rise as "arbitrary".
His comments come shortly before major meetings on climate change at the UN and the Washington White House.

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This statement seems to be politically motivated, due to it's timing.
Again and again we see different sides of the argument telling us different things, but this time the statement is pretty unequivocal, possibly due to the upcoming meetings, Prof Marburger seems to be setting his stall out as to his beliefs. This is interesting in the light of recent news apportioning blame for GW to other sources.
He's also put in a measure of CYA by saying that temp changes can't be reliably estimated.

But to me, this just smacks of more scare tactics.

news.bbc.co.uk
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