The science is clear, the technology is available. To meet the challenge of 'the most serious threat to humanity since the invention of nuclear weapons,' climate-change campaigners now need to win the political argument, says Tom Burke of E3G.

The public argument on climate change has been transformed by a series of recent interventions by scientists. First, James E Hansen, the global doyen of climate scientists, announced that the world has only ten years in which to take decisive action on the climate. 'I think we have a very brief window of opportunity to deal with climate change ... no longer than a decade, at the most,' he told the Climate Change Research Conference in Sacramento, California.Second, John P Holdren, the incoming president of the American Association for the Advancement of Science, said in his inaugural address that the world is already experiencing dangerous climate change. (more...)

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