Greenland's massive ice sheets contain enough water to raise global sea levels by 23 feet, and a new study shows that they are melting at a rate "unprecedented" over centuries -- and likely thousands of years.
원문출처 : https://www.cnn.com/2018/12/06/world/greenland-ice-sheet-melting-unprecedented-rate-climate-change-wxc/index.html
원문출처 : https://www.cnn.com/2018/12/06/world/greenland-ice-sheet-melting-unprecedented-rate-climate-change-wxc/index.html