Tim Radford is Arctic Deeply contributor. https://www.newsdeeply.com/arctic/contributor/tim-radford/rss en Environment Mon, 01 Feb 2016 00:00:00 +0000 Tim Radford https://www.newsdeeply.com/arctic/articles/2016/02/01/cloud-blanket-warms-up-melting-ice-cap https://www.newsdeeply.com/arctic/articles/2016/02/01/cloud-blanket-warms-up-melting-ice-cap CLIMATE NEWS NETWORK: A new study shows that up to 30 percent of the Greenland ice-cap melting is due to cloud cover that is helping to raise temperatures by as much as 3C (5.4F) – like a blanket that keeps the surface warm − and so accelerate sea level rise.