Polar bears on chunks of glacial ice in the Bering Sea in 2004. From the recent NYTimes article reporting on the UN Intergovernmental Panel on Climate Change’s just-released report that human activity is causing global warming. Nothing really new, it seems, except now the scientists report over 90% confidence in their predictions (however they’re measuring confidence). This follows an alarming article in the WashPost reporting that global warming could extinguish the polar bear as a species.