Related by context. Frequent words. (Click for all words.) 62 glaciers 60 glaciers melt 59 mountain glaciers 59 shrinking glaciers 58 glacial melting 58 melting glacier 57 glacial melt 57 glaciers melting 56 icecap 56 icecaps 56 glacier 55 melting glaciers 55 retreating glaciers 55 glacier melt 54 species extinctions 52 polar caps 52 amphibian populations 52 Glaciers 52 melting permafrost 51 Tibetan Plateau 50 thawing permafrost 50 Greenland Ice 50 polar ice 50 glaciologists 50 hydrological cycle 50 Greenland glaciers 49 marine sediments 49 aridity 49 Greenland ice 49 stalagmites 49 Melting ice 49 glacial ice 49 glacial lakes 49 megafauna 48 ecological degradation 48 landforms 48 amphibian species 48 Weddell Sea 48 Himalayas 48 pikas 48 Antarctica 48 river deltas 48 ocean acidity 47 glacial 47 ocean ridges 47 biodiversity hotspots 47 prolonged droughts 47 tropical rainforests 47 seamount 47 melting polar 47 volcanic crater 47 lake sediments 47 continental drift 47 Mt Kilimanjaro 47 oceanic crust 47 glacial lake 47 lichens 47 Galapagos islands 47 oceans 47 terrestrial ecosystems 47 Volcanic eruptions 47 permafrost 47 tectonics 47 Peruvian Andes 47 lithosphere 47 volcanoes 47 plate tectonics 46 Qinghai Tibet Plateau 46 volcanism 46 sediment cores 46 seabeds 46 interglacial period 46 Himalayan glaciers 46 subtropics 46 caribou herds 46 glaciated 46 lichen 46 hotter summers 46 Antartica 46 Beringia 46 continental crust 46 Antarctic ice 46 floods droughts 45 landmasses 45 Mark Serreze 45 tropical forests 45 glaciation 45 Abominable Snowman 45 subtropical regions 45 melting ice 45 coral reefs 45 atmospheric methane 45 hydrothermal vents 45 seamounts 45 Antarctic Peninsula 45 equatorial regions 45 extinctions 45 global warming 45 limestone cave 45 rainforests 45 Polar Regions