UN Chief Calls For Drastic Action On Climate Change
03:22
On the eve of the Intergovernmental Panel on Climate Change's report on global warming, U.N. Secretary General Ban Ki-Moon visits Greenland to highlight the dangers to coastal communities. Channel 4's Jon Snow reportsMarch 27, 2014
UP NEXT
300,000 NATO troops on high alert in response to Russian threat
05:48
101-year-old former Nazi guard sentence for role in concentration camp murders
01:19
‘I never thought humanity could be capable of this,’ says Ukrainian president of Bucha
03:11
Turkey agrees path for Finland and Sweden to join NATO
01:22
Missing North Carolina man's boat washes ashore off Portugal
02:08
Watch: Surveillance video shows Russian missile strike hit Ukrainian mall