The Tipping Point (For the Last Time)

Twenty years ago, James Hansen warned us about global warming, but few listened. With incredible patience, he has explained it all again - linking global warming, dependence on cheap oil, the refusal to factor in externalities to prices and the rest, in a dense web of trouble - in the hope that this time we will do something about it. If we don't, it's pretty clear to any rational, non-egoistic, individual that we are in big trouble - and that it will be even worse for our descendants.