Climate Change Summit (COP21) has begun 30th of November in Paris with a superior goal to produce a legally binding agreement on greenhouse gas emissions reduction.

According to Reuters, more than half a million activists joined world leaders in Paris, in the fight against global warming under the banner ‘No Planet B’.

French President Hollande admitted that the stakes have never been so high.

China and the US, the largest producers of greenhouse gases, were reported to be open to finding a common ground at the COP21, as CNN wrote.