Polar bears are marine mammals. They live at sea level, hunting seals on the ice. Although good swimmers and often spotted hundreds of miles from land, they cannot catch their prey in the water. Although they have been known to scavenge the occasional carcass or garbage dump on shore, they can only hunt successfully on the ice. They only really need come on land to bear their young, and even those nesting grounds are often ice-covered, and practically indistinguishable from the open sea.

Our conservative friends love to point out how their liberal, environmentalist rivals are obsessed with cutesy wildlife, and they often derisively express how conservationists actually prefer preserving environments and ecosystems and their fauna to fully exploiting them for short term profit. They might profit even more by considering the implications of this encounter, 200 miles from the sea, two miles above sea level.

https://www.nationalgeographic.com/environment/2018/07/polar-bears-summit-station-greenland-ice-sheet-news/

If I have to explain why this incident, and the others like it, is so significant, then there is really no point in even trying.