UN compiles new report on climate change
Last such report, published in 2007, established evidence of global warming was unequivocal.

Published On 23 Sep 2013
The world’s leading climate scientists are meeting this week to put the finishing touches to a UN report on climate change.
The last such report, published in 2007, established that the evidence of global warming was unequivocal.
It also said it was very likely to be the result of human activity.
Al Jazeera’s Tarek Bazley reports.