Related by context. Frequent words. (Click for all words.) 79 Antarctic ice 74 polar ice 69 glaciers 61 melting glaciers 60 Antarctica 60 Greenland 60 Arctic Ocean 59 melting ice 59 permafrost 59 glacier 57 Antarctic Peninsula 57 atmospheric carbon dioxide 56 ocean acidification 54 Arctic 53 polar regions 52 Himalayan glaciers 52 plate tectonics 52 extinctions 51 melting 51 polar 51 oceans 50 British Antarctic Survey 50 acidification 49 Glaciers 49 Antarctic 48 global warming 48 Earth crust 48 ozone depletion 47 Geophysical Research 47 ice melts 47 ozone layer 46 glacial 46 climatologists 46 mass extinction 46 magma 46 WMO 45 Global warming 45 Little Ice Age 44 ice 44 earth crust 44 seafloor 44 climate change 44 ocean currents 43 salinity 43 volcanic activity 43 anthropogenic 42 coral reefs 42 caldera 42 sediments 42 water vapor 42 arctic 42 marine ecosystems 42 World Meteorological Organization 42 Ellesmere Island 42 carbon dioxide 42 geologic 42 subsidence 42 icebergs 42 oceanic 41 CO2 41 coastal erosion 41 tropical forests 41 tropics 41 snowpack 41 Northwest Passage 41 Artic 41 IPCC 41 Atmospheric Research 40 sedimentary 40 warming 40 upwelling 40 lava flows 40 Carbon dioxide 40 National Climatic Data 40 snowmelt 40 methane 40 corals 40 #.#C [002] 40 sediment 40 carbon dioxide CO2 40 ecosystems 40 biosphere 39 Amazon rainforest 39 biodiversity 39 greenhouse gasses 39 North Pole 39 latitudes 39 desertification 39 USGS 39 Martian surface 39 UN Intergovernmental Panel 39 seabed 39 sunspot 39 lava dome 39 volcanoes 39 atmospheric 39 Melting 39 Oceanography 39 molten rock 39 Climate Change IPCC 39 Enceladus