Guardian: From 10:10 to the government’s Act On CO2 campaign, it is now widely accepted that tackling climate change will require tackling behaviour change too. But until now, a key piece has been missing from the puzzle – psychology. The study of human behaviour has been conspicuous by its absence from the climate change debate. The assessment reports of the Intergovernmental Panel on Climate Change have provided the scientific evidence of human impact on the climate, and a glimpse of what the …