UN’s vast report will end the scientific argument. Now will the world act?

For the hundreds of scientists arriving in Paris this weekend, next week will mark the end of a tortuous three-year process to put everything they know about climate change down on paper. But for the politicians who must read the results, the tortuous process is only beginning. If 2006 was the year the world accepted climate change as a serious problem, then 2007 is the year that its leaders must do something about it.

guardian