By now the message is old hat to everybody, but in case you've forgotten, here's how Greenpeace puts it: "polar bears could completely disappear from the Arctic in the next 100 years if we don’t take action soon." Ah, right. Except that it's dead wrong. The chief reason? Just as is the case with fears of dangerous manmade global warming, those making the claim depend entirely on computer models, models that are at best not verified and at worst falsified by empirical observation—the "key to … [Read more...]