Rising concentrations of greenhouse gases may have more serious impacts than previously believed, a major scientific report has said.
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In the report's foreword, UK Prime Minister Tony Blair writes that "it is now plain that the emission of greenhouse gases... is causing global warming at a rate that is unsustainable."

Environment Secretary Margaret Beckett said the report's conclusions would be a shock to many people.

rather a contrast to Bush who's having scientists gagged (see nyt)

Currently, the atmosphere contains about 380 parts per million (ppm) of carbon dioxide, the principal greenhouse gas, compared to levels before the industrial revolution of about 275ppm.
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"We're going to be at 400 ppm in 10 years' time, I predict that without any delight in saying it," he said.

"But no country is going to turn off a power station which is providing much-desired energy for its population to tackle this problem - we have to accept that.

"To aim for 450 (ppm) would, I am afraid, seem unfeasible."

i've never seen the figures before OMG
plus see the arctic retreat
we're in trouble

BBC NEWS | Science/Nature | Stark warning over climate change