While the Northeast is still reeling from a surprise October snowstorm that has left more than a million people without power for days, the United Nations is about to release its latest document on adaptation to climate change. The report from the Intergovernmental Panel on Climate Change is expected conclude that there is a high probability that man-made greenhouse gases already are causing extreme weather that has cost governments, insurers, businesses and individuals billions of dollars. And it is certain to predict that costs due to extreme weather will rise and some areas of the world will become more perilous...