Related by context. Frequent words. (Click for all words.) 49 Arctic Ocean 46 greenhouse warming 46 Trenberth 44 climatologists 44 Greenland ice 44 NOAA Climate Prediction 44 climatologist 43 glaciologist 42 glaciers 42 Arctic 42 Climatic Research Unit 41 glacier 41 oceanographers 41 mountain glaciers 40 polar regions 40 atmospheric circulation 40 geoscientist 40 arctic 39 journal Geophysical Research 39 hydrologist 39 Atmospheric Research 39 polar 39 ice 39 oceanographer 39 manmade global warming 39 planetary scientist 39 climatology 38 mountain snowpack 38 Lautenbacher 38 geophysicist 38 Lubchenco 38 Ellesmere Island 38 Nature Geoscience 37 meltwater 37 journal Nature Geoscience 37 Alaska Fairbanks 37 atmospheric sciences 37 Antarctic 37 polar ice 37 geochemist 37 Klotzbach 37 polar bear populations 37 climatological 37 National Climatic Data 37 mid latitudes 36 atmospheric scientist 36 Antarctic ice 36 global warming 36 NOAA 36 forecaster 36 Geophysical Research 36 Atmospheric Administration 36 melting glaciers 36 meteorologists 36 snowmelt 36 ocean ecosystems 36 permafrost 36 USGS 36 NCAR 35 Global warming 35 scientists 35 atmospheric CO2 35 acidification 35 Atmospheric Science 35 warmer winters 35 climate change 35 global warming skeptics 35 glaciation 35 Admiral Thad Allen 35 Geophysical Institute 35 Antarctica 35 ocean acidification 35 Antarctic Peninsula 35 snowpack 35 Antarctic waters 35 forecasters 35 hurricane forecaster 35 Overpeck 35 snowpacks 35 greenhouse gas concentrations 34 Snowpack 34 atmospheric carbon dioxide 34 Greenland 34 arctic air 34 Atmospheric 34 glacial 34 Arctic tundra 34 meteorologist 34 geological sciences 34 polar bear habitat 34 Beaufort Sea 34 fisheries biologist 34 hydrogeologist 34 ocean currents 34 geosciences 34 scientist 34 boreal forests 34 coordination meteorologist 34 atmospheric chemistry 34 hydrologists 34 ice melts