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(Click for frequent words.) 74 Greenland ice 71 Antarctic ice 71 melting ice 68 glaciers 65 melting polar 63 Arctic Ocean 61 polar icecap 61 polar 61 melting glaciers 60 mountain glaciers 60 permafrost 60 icecaps 60 glacier 59 Arctic icecap 59 glacial ice 59 Greenland Ice 58 Arctic 58 polar caps 58 polar regions 58 Greenland icecap 58 Antarctica 57 Melting ice 56 polar icecaps 56 Rignot 56 Laurentide ice sheet 56 Antarctic Ice 55 Greenland 55 icecap 55 subglacial lakes 55 melting permafrost 55 melting icecaps 55 NSIDC 55 interglacial period 55 melting 54 glacial melt 54 paleoclimatic 54 Melting polar 54 alpine glaciers 54 shrinking polar 54 glaciers melt 54 Polar Regions 54 shrinking glaciers 54 iceberg calving 54 Greenland icesheet 53 cryosphere 53 antarctic ice 53 glacier melt 53 Quelccaya 53 Himalaya glaciers 53 icesheets 53 Melting glaciers 53 disappearing glaciers 53 Antarctic glaciers 53 retreating glaciers 53 glacial melting 52 receding glaciers 52 meltwater 52 arctic 52 oceans 52 Amundsen Sea 52 Alaskan glaciers 52 melting Arctic 52 Greenland glaciers 52 melting icebergs 52 Martian polar 51 permafrost thaws 51 Antarctic Peninsula 51 subsurface ocean 51 glaciers melting 51 deglaciation 51 glacier melting 51 sub glacial lakes 51 subglacial 51 greenhouse warming 51 glacial retreat 51 Himalayan Glaciers 51 Alpine glaciers 51 Jakobshavn Isbrae 51 glaciologists 50 glacial 50 ice melts 50 oceanic circulation 50 Konrad Steffen 50 outlet glaciers 50 tropical glaciers 50 Molnia 50 Laurentide Ice Sheet 50 Antarctic 49 atmospheric carbon dioxide 49 Greenland Antarctica 49 Waleed Abdalati director 49 Glaciers 49 Thawing permafrost 49 ocean basins 49 Arctic permafrost 49 moon Enceladus 49 polar oceans 49 glacier calving 49 fabled Northwest Passage 49 thawing tundra 49 Amundsen Sea Embayment 48 Scambos 48 Velicogna 48 Jakobshavn 48 Melting Arctic 48 Greenland glacier 48 Mark Serreze 48 Saturn moon Enceladus 48 Eric Rignot 48 icesheet 48 Ulysses spacecraft 48 Glaciologists 48 permafrost melts 48 glaciers retreated 48 mid latitudes 48 sheet Summerhayes 48 methane hydrates 48 Antarctic icecap 48 glaciologist 48 Martian 48 Cryogenian 48 Himalayan glaciers 48 tropical troposphere 48 thawing permafrost 47 Arctic Archipelago 47 atmospheric methane 47 Serreze 47 ozone depletion 47 atmospheric CO2 levels 47 Siberian permafrost 47 icefield 47 Last Glacial Maximum 47 icefields 47 Qinghai Tibet plateau 47 Snowball Earth 47 lunar craters 47 Antarctic glacier 47 stratospheric ozone 47 paleoclimate 47 acidifying oceans 47 Artic 47 climate modellers 47 climate modelers 47 hydrological cycle 47 Warmer oceans 47 polar craters 47 Lake Vostok 47 sediments deposited 47 Antartica 47 sunspot activity 47 ocean acidity 47 Puijila 47 Weddell Sea 47 Bering Glacier 47 water vapor 47 icebergs calving 47 tundra 47 glaciers melted 47 continental drift 47 permanently shadowed craters 47 glacier shrinkage 47 Sermilik Fjord 47 arctic tundra 47 midlatitudes 46 Kilimanjaro glaciers 46 Ross Ice Shelf 46 Martian surface 46 storied snows 46 antarctic 46 Julienne Stroeve 46 Siple Dome 46 equatorial Pacific Ocean 46 deep convective clouds 46 polar bears 46 melting glaciers disappearing 46 glacial cycles 46 poleward 46 atmospheric CO2 46 atmospheric CO 46 species extinctions 46 Antarctic peninsula 46 polynya 46 greenhouse gas concentrations 46 Eemian 46 Himalayan glacier 46 glaciation 46 Terre Adelie 46 Martian arctic 46 Jupiter moons Europa 46 Alaskan tundra 46 Wilfried Haeberli 46 plate tectonics 46 melting glacial 46 atmospheric circulation 46 Gangotri glacier 46 Earths crust 46 Northwest Passage 46 seabed sediments 46 shadowed craters 46 glacier retreat 46 ice 46 global warming 46 albedo feedback 46 CryoSat mission 46 icebergs 46 moulins 45 Ilulissat glacier 45 tidewater glaciers 45 martian 45 frozen wasteland 45 glaciers recede 45 poleward shift 45 ocean acidification 45 volcanism 45 latitudes 45 Himalayan river basins 45 Jakobshavn Glacier 45 KT boundary 45 polar explorer Roald Amundsen 45 ozone layer 45 Permian extinction 45 solar irradiance 45 subarctic 45 anthropogenic warming 45 Venusian atmosphere 45 Tibetan Plateau 45 Andean glaciers 45 Helheim 45 -# degrees Fahrenheit [002] 45 Catlin Arctic 45 Vatnajökull 45 subglacial lake 45 worsening droughts 45 Ted Scambos 45 circumpolar 45 marine sediments 45 Gakkel Ridge 45 Otto Bliesner 45 manmade global warming 45 melting glacier 45 Luthcke 45 sealevel 45 Ayles Ice Shelf 45 Medieval Warm Period 45 isostatic rebound 45 boreal regions 45 methane clathrate 45 Robert Bindschadler 45 paleomagnetic 45 acidic oceans 45 Natalia Shakhova 44 CO2 concentrations 44 Ny Alesund 44 Fram Strait 44 polar vortex 44 moon Europa 44 Norwegian polar explorer 44 thermosphere 44 glacial shrinkage 44 ice calved 44 Abdalati 44 supervolcanoes 44 Columbia Icefield 44 Ozone layer 44 acidification 44 refrozen ice 44 sedimentary deposits 44 Dry Valleys 44 Antarctic Ice Shelf 44 Helheim glacier 44 southernmost continent 44 exosphere 44 albedo 44 NASA QuikScat satellite 44 Lake Untersee 44 hydrologic cycle 44 southern latitudes 44 springtime ozone 44 ICESat 44 cryovolcanism 44 Permafrost 44 Dronning Maud Land 44 Vatnajokull 44 Nares Strait 44 Isabella Velicogna 44 clathrates 44 Antarctica EPICA 44 surface temperatures SSTs 44 terrestrial ecosystems 44 troposphere 44 gigatonnes 44 atmospheric concentrations 44 Zeebe 44 Bellingshausen Sea 44 Wilkins Ice Shelf 44 downwelling 44 manmade CO2 emissions 44 Service WGMS 44 Brigham Grette 44 North Pole 44 permafrost degradation 44 Little Ice Age 44 Greenland Glaciers 44 Hellas Basin 44 cosmic ray flux 44 Arctic Circle 44 mid Pliocene 44 Vastitas Borealis 44 glaciations 44 oceanic 44 Disko Bay 44 NASA rovers Spirit 44 lake sediments 44 ppmv 44 Pleistocene Ice Age 43 Harding Icefield 43 Bindschadler 43 anthropogenic CO2 emissions 43 heliosphere 43 oceanic crust 43 undersea volcanoes 43 Sheldon Drobot 43 Arctic seabed 43 glacier melts 43 Hadow 43 katabatic winds 43 Sheet WAIS 43 bedrock outcrops 43 geophysicist Scott Luthcke 43 volcanic activity 43 lithosphere 43 Patagonian glaciers 43 Syrtis Major 43 climatologists 43 stratospheric clouds 43 Spitzbergen 43 Walt Meier 43 Kangerlussuaq 43 Polar Vortex 43 Helheim Glacier 43 CoRoT 9b 43 continental crust 43 glaciological 43 palaeoclimate 43 Antarctic ozone layer 43 penetrating radar 43 Quelccaya ice cap 43 melt glaciers 43 warmer wetter 43 Norwegian Polar 43 Ozone depletion 43 Martian rocks 43 austral summer 43 Arctic tundra 43 mesosphere 43 anthropogenic climate 43 Ice Age 43 polynyas 43 Michael Studinger 43 Atlantic thermohaline circulation 43 oceanographers 43 Hunt Ice Shelf 43 deepwater corals 43 subpolar 43 Petermann Glacier 43 Saturnian moon 43 ocean currents 43 hydrosphere 43 paleoclimatology 43 equatorial regions 43 interglacial periods 43 polar plateau 43 drifting ice floe 43 advection 43 geologic 43 permanently shadowed regions 43 temperate latitudes 43 carbon dioxide concentrations 43 Palaeocene Eocene Thermal Maximum 43 smoggy atmosphere 42 planet 42 snowcaps 42 Transantarctic Mountains 42 sea 42 Larsen Ice Shelf 42 ° C warmer 42 glaciology 42 Martian crust 42 Mount Kilimanjaro glaciers 42 thermal inertia 42 permafrost melting 42 Martian landscape 42 Antarctic continent 42 subsurface 42 tropopause 42 ice bergs 42 oceans airways 42 volcanic plumes 42 underwater Lomonosov Ridge 42 snowcover 42 equatorial bulge 42 landforms 42 lavas 42 Chasma Boreale 42 Tulaczyk 42 magma 42 Tharsis Rise 42 solar corona 42 Alaskan glacier 42 Earthlike planets 42 extinctions 42 Pastoruri 42 Lake Yoa 42 Saturnian moon Titan 42 GJ#b 42 Paleoclimate 42 ocean 42 Agulhas Current 42 Pen Hadow 42 Gamma ray burst 42 lunar poles 42 scientist Jay Zwally 42 Antartic 42 Shakhova 42 hypoxic zone 42 abyssal 42 Latady Island 42 glacial meltwater 42 Svalbard archipelago 42 Jay Zwally 42 Beringia 42 NASA satellites orbiting 42 Polar explorers 42 gas hydrates 42 receding glacier 42 albedo reflectivity 42 interglacial 42 axial tilt 42 Envisat ASAR 42 Younger Dryas 42 arctic permafrost 42 British Antarctic Survey 42 Global warming 42 amplifying feedbacks 42 Meridiani 42 glacial lakes 42 mountain snowpacks 42 coldest driest 42 warmings 42 equatorial latitudes 42 Jakobshavn glacier 42 Warmer seas 42 permafrost thaw 42 semidesert 42 Corot 7b 42 coccolithophores 42 airglow 42 Mars Analog Svalbard 42 glaciers retreating 42 Georg Kaser 42 anomalously warm 42 methane hydrate deposits 42 martian atmosphere 42 missing baryons 42 Antarctic ozone 42 Dr van Ommen 42 magnetotail 42 melting polar icecaps 42 droughts heatwaves floods 42 Adélie penguins 42 climatic 42 C# atmospheric concentrations 42 mammal extinctions 42 carbonate minerals 42 planets atmospheres 42 Jellyfish swarm northward 42 polar expeditions 42 icefalls 42 Melting 42 abyssal plain 41 Gondwana supercontinent 41 Glacial melt 41 Ice Ages 41 Stratospheric ozone 41 climatic variability 41 Antarctic penguins 41 undersea Lomonosov Ridge 41 Ocean acidification 41 mantle convection 41 Quaternary Period 41 Antarctic Dry Valleys 41 dogsled expedition 41 Earth crust 41 Prydz Bay 41 dustier stormier atmosphere 41 NASA ICESat 41 Chicxulub impact 41 Jovian moon 41 ESA Envisat satellite 41 magma ocean 41 Enceladus 41 eruptive activity 41 moon permanently shadowed 41 cometary 41 admiral asks 41 icebergs drifting 41 kept mountainous snowbanks 41 hidden crevasses 41 planet magnetosphere 41 Khumbu Glacier 41 atmospheric CO2 concentration 41 substorm 41 tectonic plate movements 41 laser altimeter 41 anthropogenic global warming 41 increased storminess 41 refugia 41 paleoclimatologists 41 mantle plumes 41 Holocene epoch 41 Whillans Ice Stream 41 Saturn moon 41 Hamish Pritchard 41 journal Geophysical Research 41 martian surface 41 Disko Island 41 Lonnie Dupre 41 ICESCAPE 41 Juneau Icefield 41 warm interglacial periods 41 earths 41 MARSIS 41 polar latitudes 41 asthenosphere 41 microbial ecosystems 41 comets orbiting 41 Mark Serreze senior 41 Oort cloud 41 midlatitude 41 icy crust 41 decadal scale 41 Straneo 41 shadowy craters 41 teleconnections 41 Ontario Lacus 41 ammonia hydrates 41 tropics 41 perma frost 41 Himalayan glaciers melting 41 Lomonosov ridge 41 meteor impacts 41 degrees Fahrenheit warmer 41 Qinghai Tibet Plateau 41 Medieval Warming Period 41 upwellings 41 heatwaves floods droughts 41 thermohaline circulation 41 Svalbard Islands 41 magnetosphere 41 droughts floods heatwaves 41 magnetic substorms 41 Schmittner 41 Laptev Sea 41 Ellesmere Island 41 Deadhorse Alaska 41 volcanoes erupt 41 palaeo 41 Planitia 41 cosmic rays 41 multi decadal 41 von Frese 41 melt 41 Oceanographers 41 Ilulissat 41 Mojib Latif 41 Artic Ocean 41 snowcap 41 Jane Ferrigno 41 Neukum 41 interglacials 41 towering icebergs 41 rifting 41 Waleed Abdalati 41 TrES 4 41 hydrated minerals 41 Cosmic Microwave Background 41 Ice Shelf 41 neutrino particles 41 volcano Olympus Mons 41 ionosphere 41 frozen wastelands 41 volcanic vents 40 calving glaciers 40 phytoplankton biomass 40 heavily cratered 40 Svalbard 40 Cassini flyby 40 equator 40 storminess 40 Stubai 40 Quaternary 40 habitable zones 40 Scott Luthcke 40 polar bears penguins 40 carbon fluxes 40 Igor Semiletov 40 seamounts 40 upper troposphere 40 auroral activity 40 Glacier Monitoring 40 Stefan Rahmstorf 40 crustal movements 40 coolings 40 Milankovitch 40 methane clathrates 40 Patagonian Andes 40 Olympus Mons 40 pericentre 40 North Pacific Gyre 40 active volcanism 40 walrus polar bears 40 hotter summers 40 earth crust 40 #.#C #.#C 40 astrobiological 40 Qinghai Tibetan plateau 40 glacial interglacial 40 anthropogenic emissions 40 Bering Sea 40 glacial earthquakes 40 Spitsbergen 40 ejecta blanket 40 permanently shadowed 40 Weiqing Han 40 northern latitudes 40 scrutinizing underwater 40 World Meteorological Organization 40 equatorial Pacific oceans 40 Bering Strait 40 climatological 40 Saturn moon Mimas 40 subantarctic 40 Kasatochi 40 atmospheric ozone 40 Kittlitz murrelet 40 mass extinction 40 floods droughts heatwaves 40 ocean ridges 40 orbiting spacecraft 40 flood basalts 40 lunar soil 40 Martian craters 40 Gangotri Glacier 40 tectonic stresses 40 anthropogenic aerosols 40 climate change 40 Martian dust 40 radar altimetry 40 glaciers icebergs 40 coral reefs 40 geoid 40 GJ #b [002] 40 plankton blooms 40 Josefino Comiso 40 interannual variability 40 moon gravitational pull 40 Saturn Enceladus 40 seafloors 40 Nunavut Territory coal 40 Yellowstone caldera 40 undersea plumes 40 Cabeus 40 abyssal plains 40 foehn 40 Milankovitch cycles 40 dimming starlight 40 mineral olivine 40 Chukchi Cap 40 spacetime 40 ozone layer depletion 40 planetwide 40 atmospheric 40 seafloor sediments 40 seals walrus 40 lunar meteorites 40 fissure eruption 40 Martian equator 40 Carteret Islands 40 cirrus clouds 40 molten magma 40 laser altimetry 40 decadal 40 Arctic ice floes 40 earths surface 40 Exit Glacier 40 mass extinctions 40 Nature Geoscience 40 seamount 40 martian landscape 40 coral reef degradation 40 Gerald Meehl 40 volcanoes 40 noctilucent cloud 40 Martian dunes 40 magnetic polarity 40 kyr 40 snowline 40 stalagmites 40 solar nebula 40 Larsemann Hills 40 Shad O'Neel 40 inundate coastal 40 warmer latitudes 40 Inuit elders 40 Doomsday Seed Vault 40 amplification Zwally 40 global warming alarmists 40 Mars Meridiani Planum 40 magnetic monopoles 40 drifting icebergs 40 noctilucent clouds 40 forams 40 artic 40 surface hoar 40 pteropods 39 Ignatius Rigor 39 mantle lithosphere 39 Tanner Tokunaga doubled 39 austral winter 39 Rossby waves 39 Alpine glacier 39 upwelling 39 Jupiter moon Io 39 ESA CryoSat 39 sediments 39 isotopic composition 39 Hesperian Epoch 39 methane seeps 39 protective ozone layer 39 Cryosat 39 cave stalagmites 39 COROT 7b 39 Cryogenian period 39 precipitation 39 equatorial 39 Kristin Laidre 39 ancient hominid 39 Spitsbergen Norway 39 martian meteorites 39 seafloor habitats 39 Endurance crater 39 supercomputer simulations 39 crustal 39 river deltas 39 Saharan Desert 39 WMO 39 ocean salinity 39 tides currents 39 Kangerdlugssuaq 39 spacecraft flyby 39 Vostok Station 39 journal Meteoritics 39 magnetic reconnection 39 cometary dust 39 phytoplankton populations 39 NASA Cassini spacecraft 39 VY Canis Majoris 39 equatorial waters 39 Subarctic 39 retreating glacier 39 lunar crust 39 basaltic rocks 39 Sugata Hazra 39 marine ecosystems 39 hydrothermal activity 39 shaded craters 39 explosive volcanism 39 supercontinents 39 astrophysical 39 lunar orbiters 39 Jay Lawrimore chief 39 meteorite bombardment 39 pikas 39 Syun Ichi Akasofu 39 glaciers receded 39 Northwest Passage linking 39 seawater pH 39 polar bear 39 Phanerozoic 39 sulfur isotope 39 Gamburtsev 39 megafauna 39 coldest windiest 39 sedimentary layers 39 Mars Squyres 39 temperature gradients 39 Sinus Meridiani 39 Georgi Mandushev 39 western Antarctic Peninsula 39 icebound 39 Aiguo Dai 39 La Nina occurs 39 warmer temperatures 39 arctic plains 39 explorer Pen Hadow 39 Terra Meridiani 39 anthropogenic greenhouse gases 39 floes 39 heliosheath 39 AP Interview CG 39 narwhal 39 altitudinal 39 moons Europa 39 Drygalski Ice Tongue 39 Joan Kleypas 39 Fomalhaut b 39 oceanic currents 39 paleoclimate records 39 paleoclimatologist 39 galactic cosmic rays 39 Glaciers melting 39 Arctic explorer 39 RV Polarstern 39 permafrost soils 39 planet Gliese #g 39 Martian microbes exist 39 Capricorn Glacier 39 Arctic ice floe 39 emperor penguins 39 WAIS 39 Circumpolar 39 lunar magma 39 meteorite impacts 39 Overpeck 39 Noctilucent clouds 39 geology paleontology 39 Jupiter icy moons 39 warming 39 sastrugi 39 snowpack melts 39 planet HD #b 39 Contrails 39 Ilulissat Greenland 39 Hik 39 polar bear habitat 39 auroral 39 NEAs 39 Medieval Warm Period MWP 39 ESA Mars 39 floods droughts mudslides 39 atmospheric oceanic 39 Kerguelen Plateau 39 Cassini radar 39 pika habitat 39 Oort Cloud 39 melt Himalayan glaciers 39 planetary 39 Cordillera Blanca 39 circumstellar disks 39 auroral oval 39 Magellanic Stream 39 caribou herds 39 severe droughts 39 Kocet 39 Saturn moons 39 atmospheric chemistry 39 glacial moraines 39 Thorthormi 39 Perito Moreno 39 Martian gullies 39 magnetospheric 39 photosphere 39 cosmic microwave background 39 farmlands drier 39 penguin rookery 39 interstellar dust grains 39 ocean depths 39 Sisimiut 39 polar voyages 39 Noachian era 39 Snowpack 39 sulphate aerosols 39 insolation 39 crustal thickness 39 pliosaur ferocious predator 39 astrobiologists 39 Crozet Islands 39 Earth magnetosphere 39 icescape 39 Climatologists 39 altimetry 39 floods heatwaves droughts 39 Earth radii 39 heliopause 39 mountain ranges 39 exoplanetary 39 volcanic eruptions 38 deserts jungles 38 Gliese #c 38 Jonathan Overpeck 38 Caspar Ammann 38 IceBridge 38 atmospheric circulations 38 chromosphere 38 Yangtze finless porpoise 38 Shasta glaciers 38 Great Aletsch Glacier 38 Pacific Decadal Oscillation 38 vast Myrdalsjokull ice 38 Global Warming 38 planetary warming 38 Mandushev 38 Orbiting Carbon Observatory OCO 38 Late Paleozoic 38 Jean Pierre Bibring 38 GtC 38 Kharecha 38 Saturnian system 38 moon Titan 38 Fashion Movie Reviews 38 heliospheric 38 Magnetic Pole 38 interstellar dust 38 scatterometer 38 icy moons 38 habitable worlds 38 gaseous planet 38 latitudinal 38 icy hydrates 38 tropospheric temperature 38 planet habitability 38 McMurdo Dry Valleys 38 satellite altimetry 38 supernova explosions 38 Anthony Barnosky 38 Romero Lankao 38 Creamsicle orange 38 boreal 38 Paleozoic Era 38 icy tundra 38 Malte Meinshausen 38 heatwaves droughts floods 38 Rahmstorf 38 Booms depending 38 gamma ray emitting 38 Seamounts 38 Cretaceous Tertiary KT 38 ice jams 38 Red Planet 38 Roald Amundsen 38 Goldilocks planet 38 musk oxen 38 Slawek Tulaczyk 38 colder denser 38 Bob Corell 38 gobal warming 38 reef habitats 38 Qaanaaq 38 warmer wetter winters 38 Cayman Trough 38 icebreakers satellites 38 infalling gas 38 superheavy elements 38 extrasolar 38 lake sediment cores 38 sulfur isotopes 38 methane concentrations 38 Opposes drilling 38 tectonics 38 terraforming Mars 38 Toba eruption 38 Oceanus Procellarum 38 Boreal forests 38 Von Frese 38 isotope composition 38 -# degrees Celsius [001] 38 #.#oC [001] 38 harmful ultraviolet radiation 38 hydrothermal 38 penguin colonies 38 Arabia Terra 38 extraterrestial 38 Aral Sea 38 noble gases 38 Neoproterozoic 38 wetter winters 38 Saturn icy moons 38 Bruce Jakosky 38 biosphere 38 telescopic observations 38 asteroid collisions 38 tidewater glacier 38 ° #'N 38 Antarctic seas 38 methane hydrate 38 GHG concentrations 38 Dorthe Dahl Jensen 38 ancient supercontinent 38 biosignatures