Associated Press: The head of the United Nations scientific panel on climate change urged diplomats and scientists to show "enlightenment" Monday, as they began a weeklong meeting aimed at spelling out in plain terms what options the world has if it wants to prevent catastrophic global warming.
Delegates at the closed-doors meeting in Berlin need to tackle a number of sensitive issues, including how best to cut carbon emissions and how to share the cost of shifting away from the fossil fuels that are largely blamed...