Nasa satellites reveal sudden Greenland ice melt

Telegraph: Even Greenland's coldest place showed melting. Records show that last happened in 1889 and occurs about once every 150 years. Nasa says three satellites saw what it calls unprecedented melting over four days beginning July 8. Most of the thick ice remains. But what was unusual was that the melting occurred over a widespread area. Nasa says the melting area went from 40 per cent of the ice sheet to 97 per cent. Until now, the most extensive melt seen by satellites in the past 30 years was about......

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