Related by context. Frequent words. (Click for all words.) 58 glaciers 57 glaciation 57 interglacial 56 meltwater 56 glacial ice 55 Little Ice Age 55 glacier 55 glacial melt 54 Cretaceous Period 54 landmasses 53 megafauna 53 Late Cretaceous 52 glacial lake 52 icecap 52 glacial 51 Pleistocene 51 lithosphere 50 dinosaurs roamed 50 melting permafrost 50 oceans 50 volcanism 50 Greenland glaciers 50 continental drift 49 Weddell Sea 49 ice melts 49 mammoths 49 Earth crust 49 Tibetan Plateau 49 plate tectonics 49 Antarctic Ice 49 permafrost 49 melting glaciers 48 sedimentary rock 48 fjord 48 atmospheric CO2 48 Wilkins Ice Shelf 48 Medieval Warm Period 48 Serreze 48 atmospheric carbon dioxide 48 moraine 48 gigatonnes 48 Fertile Crescent 48 caldera 48 Greenland Ice 48 volcanic crater 48 Greenland ice 47 peat bogs 47 Ice Age 47 mountain glaciers 47 polar ice 47 millenniums 47 woolly mammoths 47 prehistory 46 landmass 46 polar caps 46 Antarctic peninsula 46 river deltas 46 lava flows 46 volcanic activity 46 glacial lakes 46 molten rock 46 magma 46 sediments 46 dammed 46 Bering Strait 46 Carboniferous 46 glaciologists 46 temperate regions 46 Antarctic ice 46 stalagmites 46 Quaternary 45 Arctic Ocean 45 mass extinctions 45 stalagmite 45 glacier melt 45 melting ice 45 species extinctions 45 earth crust 45 gigatons 45 Holocene 45 landforms 45 Arctic tundra 45 temperate zones 45 basalt 45 sediment cores 45 Pliocene 45 lava 45 CO2 concentrations 44 NSIDC 44 spewed ash 44 sandstone cliffs 44 thermocline 44 hunter gatherers 44 lava flow 44 floe 44 Ordovician 44 Homo sapiens 44 mass extinction 44 volcanoes 44 sea 44 Denisovans