The world is headed to 2.5 degrees Celsius of warming by the end of the century because of a huge gap between what nations are willing to do and what they must now do to slow climate change, U.N. researchers concluded in a report on Tuesday.
More than halfway through the United Nations-brokered climate summit in Glasgow, Scotland, the analysis by the U.N. Environment Program illustrates what is at stake in the negotiations: an urgency need for nations to quick raise their ambition towards reducing greenhouse gas emissions and switching to cleaner energy technologies.