UN analysis points to catastrophic global warming

With the talks entering the final stages, the emergence of the document seriously undermines the statements by governments that they are aiming to limit emissions to a level of ensuring no more than a 2C temperature rise over the next century and indicates that the last day of negotiations will be extremely challenging, the Guardian reported.
A rise of 3C would mean up to 170 million more people suffering several coastal floods and 550 million more at risk of hunger, an expert report has stated.
Even a rise of 2C would lead to a sharp decline in tropical crop yields, more flooding and droughts.