Related by context. Frequent words. (Click for all words.) 61 glaciers 59 mountain glaciers 53 polar ice 52 glacier 52 glacial ice 52 icecap 51 glaciers melt 51 Arctic Ocean 50 retreating glaciers 50 Glaciers 49 marine sediments 49 shrinking glaciers 48 Antarctica 48 volcanoes 48 icecaps 47 NSIDC 47 Antartica 46 Antarctic Peninsula 46 Melting ice 46 Greenland 46 penguin species 46 Arctic 46 glacial lakes 46 lake sediments 46 Greenland glaciers 46 glacial lake 46 melting ice 45 Greenland ice 45 permafrost 45 melting polar 45 glaciologist 45 glacial 45 Peruvian Andes 45 Ellesmere Island 45 glacier melt 45 Antarctic peninsula 44 Antarctic ice 44 sediment cores 44 glacial melting 44 glaciologists 44 lichens 44 arctic 44 continental crust 44 polar 44 stalagmite 44 boreal forests 44 Andes 43 glacial melt 43 terrestrial ecosystems 43 glaciation 43 Polar Regions 43 melting glaciers 43 megafauna 43 seamount 43 mountain ranges 43 Antarctic 43 river deltas 43 Tibetan Plateau 43 biodiversity hotspots 43 microfossils 43 lavas 43 methane hydrates 43 Amazon basin 42 caribou herds 42 methane hydrate 42 lichen 42 Quaternary 42 stratospheric ozone 42 interglacial period 42 Weddell Sea 42 karst 42 Greenland Ice 42 meltwater 42 polar bears 42 dinosaur bones 42 melting permafrost 42 caldera 42 volcanic crater 42 volcanic activity 42 biome 42 Peruvian Amazon 42 Younger Dryas 42 geologic 42 stalagmites 42 Chaco Canyon 42 polar caps 42 Wilkins Ice Shelf 42 volcanically active 42 Patagonia 41 thawing permafrost 41 tropics 41 Volcanic eruptions 41 melting 41 paleontological 41 biomes 41 highlands 41 Whale sharks 41 magma chamber 41 geoscientist 41 alpine lakes 41 coral reef