Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.James Hansen has made key insights into our global climate -- and inspired a generation of activists and scientists. Full bio »
We need a neutral carbon tax to offset subsidies on carbon-fuels. NOW! There is a giant cataclysm coming and the costs keep rising. It is immoral to leave our children the world we've created.