Climate-change Sundance documentary seeks to make a difference

Josh Fox has gotten bad news. And it's not that he, like, got a parking ticket or forgot to pay a bill. This is dire stuff: The major cities on the East Coast will likely be underwater in the next few decades. Roughly 40% of the planet's species are on track to go extinct. Ravaging fires and droughts and floods — they're all coming. In the midst of making his latest documentary about climate change, Fox — the filmmaker behind the Oscar-nominated "Gasland" — learns that, basically, we're in a lot of trouble. Leading scientists tell him that even if society were to make drastic and immediate lifestyle shifts, the Earth's temperature is already on target to rise 2...