Guardian: The world cannot afford to wait for a new global climate change agreement to come into force in 2020, because doing so will mean an end to hopes of limiting global warming to moderate levels, one of the worlds foremost authorities on energy has warned. Carbon dioxide emissions from energy rose by 1.4 per cent in 2012 to a record high of more than 31 billion tonnes, according to a report from the International Energy Agency (IEA) on Monday, driven in part by a striking six per cent rise in emissions...