At cloud doomsday Earth’s temperature soars 8 degrees C, 14 degrees Fahrenheit. We hope that will never come, but if we go there, that is the end. New science from the lead author, Tapio Schneider at NASA. Then from the Post Carbon Institute, Jason Bradford predicts the tide of humans into cities will reverse. The future is food, and local – and we can prepare now for the end of fossil fuels and continuing climate threats.