The world will have to axe greenhouse gas emissions by 80 percent by 2050, more deeply than planned, to have an even chance of curbing global warming in line with European Union goals, researchers said on Thursday.

Even tough long-term curbs foreseen by the EU or California fall short of reductions needed to avert a 2 degrees Celsius (3.6 Fahrenheit) temperature rise over pre-industrial times, seen by the EU as a threshold for “dangerous change”, they said. => Full article