The visualization shows spring coming earlier and the Arctic ice caps receding over timeNasa has captured 20 years of changing seasons in a striking new global map of planet Earth​. The data visualization, released this week, shows Earth’s fluctuations as seen from space. The polar ice caps and snow cover are shown ebbing and flowing with the seasons. ​Werdell said the visualization shows spring coming earlier and autumn lasting longer in the Northern Hemisphere. Also noticeable to him is the Arctic ice caps receding over time – and, though less obvious, the Antarctic, too.

Source: The Guardian November 18, 2017 03:11 UTC