Rich nations need to cut CO2 emissions 90 per cent, says national think-tank
New Zealand biofuel firm Lanzatech says proprietary microbe uses steel factory emissions to help produce ethanol
Arctic temperatures have increased during the past 50 years after cooling in previous 2,000
Pro-business and green camps unite to vote against broad cap-and-trade scheme
Latest science shows world is currently on track for catastrophic temperature increases that would cut global population to just one billion people
Climate sceptics' claims that continent is getting colder blown out of the water by new research