Doomsday – 2036

“If the world continues to burn fossil fuels at the current rate, global warming will rise 2 degrees Celsius by 2036, crossing a threshold that many scientists think will hurt all aspects of human civilization: food, water, health, energy, economy and national security,” said Michael Mann.
Michael Mann, Why Global Warming will cross a dangrerous threshold in 2036, Scientific American, 18 Mar 2014