Related by context. Frequent words. (Click for all words.) 70 Greenland ice 67 Antarctic ice 59 polar ice 58 glaciers 58 Antarctica 55 glacial ice 54 Arctic Ocean 54 Antarctic Peninsula 53 Antarctic 52 melting ice 52 oceans 52 Greenland 52 Arctic 51 permafrost 51 melting glaciers 51 meltwater 51 atmospheric CO2 51 glacier 50 Glaciers 50 volcanism 50 atmospheric carbon dioxide 50 Earth crust 49 earth crust 49 plate tectonics 48 greenhouse gas concentrations 47 ocean acidification 47 polar regions 47 British Antarctic Survey 47 oceanographers 46 Little Ice Age 45 troposphere 45 oceanic 45 Himalayan glaciers 45 marine ecosystems 45 acidification 45 polar 45 glaciologist 45 melting 44 ocean currents 44 Melting 44 Geophysical Research 44 geologic 44 magma 43 biosphere 43 Eocene 43 ozone depletion 43 arctic 43 extinctions 43 Snowpack 43 San Andreas Fault 42 glacial 42 volcanic activity 42 sediments 42 WMO 42 plankton 42 subduction zone 42 boreal 42 deformation 42 mass extinction 42 Martian surface 42 volcanic eruptions 42 seabed 42 tropics 42 Ellesmere Island 41 caldera 41 journal Geophysical Research 41 phytoplankton 41 snowpack 41 water vapor 41 albedo 41 climatologists 41 Carbon Dioxide 41 thickness 41 seafloor 41 CO2 41 marine organisms 41 icebergs 41 coral reefs 41 floods droughts 41 gigatons 41 Martian atmosphere 40 Ice Age 40 ice melts 40 Coral reefs 40 Artic 40 ocean ecosystems 40 atmospheric 40 Enceladus 40 mass extinctions 40 sedimentary rock 40 tectonic 40 Saturn rings 40 diatoms 40 Climate 40 Copenhagen Climate 40 anthropogenic 40 methane 40 lava flows 40 upwelling 40 sedimentary rocks 40 magnetosphere