In this interview with Euronews, Kumi Naidoo, the head of Greenpeace, speaks about the climate talks in Cancun, the urgent need for action, and the deadlock between the US and China.
Commenting on the role of governments in climate action, he says: "We can't change the science, we have to change the politics... and if we can't change the politics, we'll have to try change the politicians".