"All the problems we face can be dealt with using existing technologies. And almost everything we need to do to move the world economy back onto an environmentally sustainable path has already been done in one or more countries." –Lester R. Brown, Plan B 3.0: Mobilizing to Save Civilization
Check out Lester Brown on The Big Picture with Thom Hartmann discussing the release of the IPCC's Fifth Assessment Report. He said it should serve as a wake-up call.