Security tight as leaders to gather for climate change talks in Paris
It is the latest step on a long — and often tortuous — road to securing international agreement on cutting greenhouse gas emissions in a bid to prevent global temperatures going more than 2C above pre-industrial levels and causing “dangerous” climate change.
The meeting kicks off as the world faces its hottest year on record in 2015, and the warmest five-year period recorded — with scientists warning that global warming is “unequivocal” and the human influence on the climate is clear.
