While negotiators in Cancún fight about commas, brackets and even about which text should be worked on, the gap between the politics and the science is widening. It is the gap between scientific reality and the current level of ambition of nations.
Let’s be optimistic about the politics (quite hard to do, but let’s try) – still, with the high end of all Copenhagen pledges actually implemented, the gap is 7 gigatons of CO2 . That’s seven BILLION tons of carbon dioxide, according to a recent UNEP report. Maybe it can be brought down to 5 Gt CO2, but those numbers are hard to grasp. As the report says, “a gap equal to the total emissions of the world’s cars, buses and trucks in 2005.”
Read the report – and much more variants on the numbers – at