David Cameron must heed the experts, not the sceptics, on climate change
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One of the most important scientific documents ever published makes clear the scale of the risks posed by greenhouse gases.
The prime minister will face a daunting dilemma next month when the world’s most authoritative report on climate change is published, providing a clear warning from scientists about the scale of the risks posed by rising levels of carbon dioxide and other greenhouse gases in the atmosphere.
The Observer