Related by context. Frequent words. (Click for all words.) 51 namesake 46 glaciers 46 icecaps 45 retreating glaciers 42 thawing permafrost 42 glacier 41 Shishmaref 41 Arctic explorer 40 melting glaciers 40 glaciers melt 40 overfishing pollution 40 mountain glaciers 39 gigatonnes 39 woodland caribou 39 shrinking glaciers 39 icecap 38 giant sequoias 38 oceans 38 glacial melting 38 Weddell Sea 38 melting ice 37 sequoias 37 river deltas 37 glacier melt 37 Galápagos 37 caribou herds 37 Glacier 37 Watt Cloutier 37 polar caps 36 Antarctic peninsula 36 alpine meadows 36 glaciers melting 36 Glaciers 36 Ilulissat 36 freshwater ecosystems 36 protective ozone layer 36 Aleutian chain 36 virgin forests 36 sandstone cliffs 36 Polar bear 36 polar bear 36 Ernest Shackleton 36 lichen 35 Antartica 35 polar bears 35 floe 35 volcanic crater 35 glacial ice 35 climate change 35 melting permafrost 35 Greenland glaciers 35 National Geographic Adventure 35 ocean acidity 35 species extinctions 35 megafauna 35 Northwest Passage 35 woolly mammoths 35 Arctic tundra 35 mountain ranges 35 permafrost 35 glacial melt 35 Ocean acidification 35 tundra 35 Melting ice 34 aviator Amelia Earhart 34 boreal forests 34 Baker Snoqualmie 34 Greenland ice 34 Climate Impact Assessment 34 kelp forests 34 Norwegian Polar 34 Sir Edmund Hillary 34 Antarctica 34 Kilauea volcano 34 Bear Rainforest 34 eponymous 34 floods droughts 34 Manmade 34 ice melts 34 global warming 34 Global warming 34 iconic 33 Gifford Pinchot National 33 biodiversity 33 huckleberries 33 icebound 33 polar ice 33 frequent droughts 33 Teddy Roosevelt 33 Himalayan glaciers 33 Antarctic ice 33 lakes 33 rivers 33 polar explorer 33 Coral reefs 33 melting polar 33 manmade 33 combatting global warming 33 polar expedition 33 icebergs 33 rainforests