NASA @NASA
❄️ New time-lapses taken from space are helping track how Earth’s polar regions are changing, watching as glaciers retreat and accelerate, and ice sheets melt over decades. From Alaska to Greenland, take a look at how our Arctic ice is shifting: https://t.co/ADAKIVQrxZ https://t.co/9FmBdAe1lX — PolitiTweet.org