America’s climate envoy John Kerry has been ridiculed for saying technologies that don’t yet exist will play a huge role in stabilising the climate. Speaking on the BBC’s Andrew Marr show, he said the US was leading the world on climate change – and rapidly phasing out coal-fired power stations. But he rejected a suggestion that Americans need to change their consumption patterns by, say, eating less meat. He said: “You don’t have to give up quality of life to achieve some of the things we want to achieve. “I’m told by scientists that 50% of the reductions we have to make (to get to near zero emissions) by 2050 or 2045 are going to come from technologies we don’t yet have.”(BBC)…[+]