Officially, UK carbon emissions have been falling for the past decade, but when you count the carbon outsourced to China and other countries, the UK's emissions have actually gone up by around a fifth. Much the same is true for most developed countries – China's emission have gone up rapidly mainly because of their exports to the West.

In this short animation, Guardian columnist George Monbiot teams up with Leo Murray and green charity PIRC to explain the UK's 'carbon omissions':