Related by context. Frequent words. (Click for all words.) 54 Catlin Arctic 52 Jonathan Overpeck 51 Polar Regions 51 admiral asks 51 Rignot 50 British Antarctic Survey 50 Climate Impact Assessment 50 Weddell Sea 50 Alaska Fairbanks 50 Petermann Glacier 50 Samantha Joye 49 Antarctica 48 Mark Serreze 48 undersea volcanoes 48 Biogeography 48 Serreze 48 glaciology 48 AP Interview CG 48 Antarctic Peninsula 48 Arctic Ocean 48 Niels Bohr Institute 48 Arctic 48 receding glaciers 47 Credit NASA JPL 47 NSIDC 47 Permafrost 47 Rosenstiel School 46 Antarctic 46 Greenland glaciers 46 Oceanographers 46 Ellesmere Island 46 Pen Hadow 46 Ned Rozell 46 Carsey Institute 46 Geochemistry 46 sediment cores 45 IPY 45 Press Adrian Wyld 45 Antarctic peninsula 45 Press Fred Chartrand 45 glacial retreat 45 Beringia 45 Byrd Polar 45 Lake Vostok 45 Climate Change Impacts 45 glaciologist 45 Hoffmayer 45 Press Ryan Remiorz 45 Dry Valleys 44 Ross Ice Shelf 44 biological oceanographer 44 Spitzbergen 44 subarctic 44 oceanography professor 44 glaciers 44 floe 44 Oceanographer 44 Antarctic ice 44 Scambos 44 cryosphere 44 Arctic Circle 43 IODP 43 arctic tundra 43 narwhal 43 seamounts 43 Press Darryl Dyck 43 Press Nathan Denette 43 hydrothermal vent 43 geological sciences 43 Coral Reefs 43 boreal forests 42 Henry Hou 42 narwhals 42 icecaps 42 Alaska Anchorage 42 Hadow 42 polar regions 42 Finnish Meteorological 42 Derocher 42 musk ox 42 Seward Peninsula 42 foraminifera 42 Mead Treadwell 42 Press Darren Calabrese 42 Changing Climate 42 Beaufort Sea 42 tundra 42 ANDRILL 42 Wisconsin LaCrosse 42 Dr. Arnold Monto 42 musk oxen 42 NASA Cassini 42 Wilkins Ice Shelf 42 Arctic archipelago 42 Antarctic seas 42 polar bear populations 42 Samantha Joye professor 42 Antarctic Ice 42 Jeremy Hainsworth 42 Beluga whales 42 Bering Sea