A year on from the dashed hopes of Copenhagen the world's politicians are trying again. In Cancun, Mexico, at the United Nations Climate Change Conference they are renewing efforts to find a deal capable of combating man-made global warming.
President Mohamed Nasheed of the Maldives is one of the most vocal advocates of urgent action. Rising sea levels could submerge his Indian Ocean islands by the end of this century. He spoke to HARDtalk's Stephen Sackur about why he's disappointed in America and China's failure to make binding commitments.
You can watch the full interview on Monday, 6 December 2010 on BBC World News at 0430, 0930, 1530 and 2130 GMT and on the BBC News Channel at 0430 and 2330.
Find out who is coming up on the programme by following us on