http://www.locatetv.com/tv/60-minutes-on-cnbc/6992896

The part on the melting of Antartica talks about how it is warming up faster than anywhere else on earth. And ice cores show a spike in green house gases in the last 200 years. The first part on coal ash is pretty terrifying. Evidently we are all breathing it in and no one knows what to do with it without poisoning the biosphere more.