Related by context. Frequent words. (Click for all words.) 60 tundra 58 polar 58 Arctic tundra 58 arctic 56 Arctic 56 permafrost 56 boreal 55 Polar Regions 55 boreal forests 54 Antarctica 54 Arctic Ocean 53 Arctic Circle 53 taiga 53 glaciers 52 Weddell Sea 52 glacier 52 circumpolar 52 Antarctic 52 ptarmigan 52 glacial 51 landforms 51 Permafrost 50 Ellesmere Island 50 caribou herds 50 icecaps 50 Bering Sea 50 northernmost 50 Greenland 50 boreal forest 49 musk ox 49 icecap 49 marine sediments 49 melting permafrost 49 Antarctic Peninsula 49 barrens 49 mountain ranges 49 continental crust 49 glaciated 49 northland 48 frigid 48 Spitsbergen 48 icebound 48 equatorial Pacific Ocean 48 Antarctic peninsula 48 terrestrial ecosystems 48 colder winters 48 northern latitudes 48 intertidal 48 tropics 48 glacial ice 48 Arctic archipelago 48 Antartica 47 lowlands 47 polar caps 47 musk oxen 47 glaciation 47 frozen tundra 47 subtropics 47 Baffin Island 47 interglacial period 47 Resolute Bay 47 retreating glaciers 47 temperate 47 Inuit 47 lichen 47 Qinghai Tibet Plateau 47 warmer winters 47 Volcanic eruptions 47 polar regions 47 northernmost tip 47 temperate zones 47 melting glacier 47 rugged coastline 47 breathtaking landscapes 47 Pleistocene 47 equatorial 46 mid latitudes 46 Seward Peninsula 46 Turnagain Arm 46 fjord 46 lichens 46 Aleutians 46 oceanic crust 46 Ross Ice Shelf 46 climatically 46 temperate regions 46 glaciers melt 46 glacier melt 46 glacial melting 46 lithosphere 46 Melting ice 46 atmospheric methane 46 Bering Strait 46 harsh winters 46 Aleutian chain 46 solar irradiance 46 geomorphology 45 degrees Fahrenheit warmer 45 winters 45 snowless 45 volcanic islands