Related by context. Frequent words. (Click for all words.) 79 Arctic 65 Beaufort Sea 63 polar ice 63 Antarctica 62 Northwest Passage 62 Antarctic Peninsula 62 Greenland 61 Barents Sea 60 Antarctic ice 60 Greenland ice 60 Antarctic 60 polar 59 glaciers 58 Bering Sea 57 arctic 57 polar regions 57 Chukchi Sea 57 glacier 57 permafrost 57 oceans 55 North Pole 55 Artic 55 ocean 55 continental shelf 54 Arctic Circle 54 melting ice 53 Chukchi 53 seabed 52 tundra 52 Bering Strait 51 sea 50 Lake Baikal 50 Baltic Sea 50 polar bears 49 Arctic Sea 49 ice melts 49 polar bear 48 Baffin Island 48 seafloor 47 Atlantic Ocean 47 Pacific Ocean 47 Glaciers 47 ice 47 oceanic 46 fjord 46 Caspian Sea 46 ice floes 46 North Slope 46 Cook Inlet 46 icebergs 46 Alaska 46 subsurface 46 caribou 45 boreal forest 44 ice floe 44 Aleutians 44 trans Alaska 44 icebreakers 44 gray whales 44 coastal waters 44 outer continental shelf 44 ANWR 44 Alaskan 44 glacial 44 Inuit 44 Antarctic waters 44 walruses 44 Svalbard 44 Outer Continental Shelf 44 atmospheric carbon dioxide 43 walrus 43 Himalayan glaciers 43 seas 43 Prudhoe Bay 43 krill 42 Polar bears 42 waters 42 melting glaciers 42 ocean currents 42 NOAA 42 latitudes 42 icy waters 42 Kamchatka 42 Martian surface 42 Aral Sea 42 coral reefs 42 British Antarctic Survey 41 oceanographic 41 marine ecosystems 41 Siberia 41 tropics 41 Enceladus 41 Glacier 41 beluga 41 ocean acidification 41 Earth crust 40 geologic 40 Murmansk 40 Nunavut 40 Lake Superior 40 Lake Champlain