Global warming can be a depressing topic. We're squeezed on one side by it's consequences. Things like food shortages, extreme weather, and mass extinctions. We're squeezed on the other side by the cost of solutions. Consuming less and growing less. But if we squeeze just right, out pops a magical number - 2 degrees Celsius.

Created by Tom McFadden at the Centre for Science Communication as a part of the 2 Degrees Project in 2011.