Related by context. Frequent words. (Click for all words.) 51 glacial melt 50 glaciers melting 50 glaciologist 50 worsening droughts 50 Rignot 49 glacial retreat 49 mountain glaciers 49 glacial melting 49 glaciers 47 Greenland glaciers 46 polar ice 46 melting glacier 46 retreating glaciers 45 glacier melt 45 journal Geophysical Research 44 journal Geology 44 melting glaciers 44 shrinking glaciers 44 glaciers melt 44 icecap 44 Mount Kilimanjaro 44 Warming temperatures 43 lake sediments 43 Weddell Sea 43 paleoclimate 43 poleward 43 Greenland ice 43 icecaps 42 Siberian permafrost 42 species extinctions 42 glacier melting 42 Antarctic ozone 42 Melting glaciers 42 glacier 42 Antarctic ice 42 glaciations 42 thawing permafrost 41 interglacial period 41 Omo River 41 Olympus Mons 41 Jonathan Overpeck 41 Mark Serreze 41 Serreze 41 glaciologists 41 Sawtooth Mountains 41 glacial lakes 40 Antarctica 40 Namib Desert 40 Himalayan glaciers 40 gigatonnes 40 amphibian populations 40 glaciated 40 Tibetan Plateau 40 Teton Range 40 extinctions 40 amphibian species 40 climate modelers 40 hotter summers 40 Polar Regions 40 Lake Turkana 39 projected 39 NASA MODIS Image 39 drier summers 39 degrees Fahrenheit warmer 39 Snowball Earth 39 Nature Geoscience 39 river deltas 39 NSIDC 39 glaciology 39 terrestrial ecosystems 39 landforms 39 substorm 39 #.#GW [003] 39 Endurance Crater 39 prolonged droughts 39 Antarctic peninsula 39 geoid 39 Ecology Letters 39 Sandhill cranes 39 melting snowpack 39 atmospheric methane 39 grassy plains 39 geomorphology 38 polar caps 38 Oceanographers 38 Climatologists 38 Galapagos islands 38 melting polar 38 sediment cores 38 biodiversity hotspot 38 ocean acidity 38 equatorial regions 38 forest ecologist 38 upwellings 38 mud volcanoes 38 Geophysical Research 38 tallest mountain 38 continental drift 38 NASA Cassini spacecraft 38 FAPRI 38 ancient Mayans