A climate activist swam under the Antarctic ice sheet to prove how quickly glaciers are melting | The point he was trying to make, he said, is that it shouldn’t be possible to do the swim, but it is because of cracks in the glacier

A climate activist swam under the Antarctic ice sheet to prove how quickly glaciers are melting | The point he was trying to make, he said, is that it shouldn’t be possible to do the swim, but it is because of cracks in the glacier https://ift.tt/393hp2M