Related by context. All words. (Click for frequent words.) 71 glaciers receded 70 glaciers melted 68 Laurentide Ice Sheet 66 Ice Age glaciers 66 Laurentide ice sheet 65 Pleistocene Epoch 63 glaciations 63 Triassic Period 62 Paleozoic Era 62 boreal regions 62 Laurasia 62 Cryogenian 61 receding glaciers 61 supercontinent Pangaea 61 megadroughts 61 Miocene epoch 61 interglacial period 61 interglacial periods 61 Pleistocene epoch 61 Gondwanaland 60 sediments deposited 60 Laramidia 60 Permian Period 60 Last Glacial Maximum 60 Pleistocene Ice Age 60 retreating glaciers 60 Late Cretaceous Period 60 glaciers 60 polar icecap 60 calderas 60 cratons 59 glacial meltwater 59 receding glacier 59 mightiest rivers 59 Ediacaran Period 59 semidesert 59 lava flowed 59 Miocene Epoch 59 deep convective clouds 59 Cenozoic Era 59 Arctic icecap 59 Eocene epoch 58 Quaternary Period 58 Oligocene epoch 58 Saharan Desert 58 Alpine glaciers 58 glaciers recede 58 Cretaceous Period 58 Greenland icecap 58 supercontinent 58 Amundsen Sea 58 sub glacial lakes 58 glacial retreat 58 abyssal plain 58 Toba eruption 58 Noachian era 58 Pleistocene Age 58 Ayles Ice Shelf 58 Greenland Antarctica 58 gyres 57 Fram Strait 57 icefields 57 karst limestone 57 landmasses 57 Neogene 57 flood basalts 57 tigers roamed 57 alpine glaciers 57 Snake River Plain 57 migrated northward 57 glaciation 57 Syrtis Major 57 icefield 57 Mount Mazama 57 Ice Ages 57 subarctic 57 subglacial lakes 57 towering icebergs 57 continental crust 57 grassy plains 57 faunas 57 alluvial plain 56 cinder cones 56 ecoregions 56 glacial melt 56 deglaciation 56 ocean basins 56 stratovolcano 56 iridium layer 56 Greenland glacier 56 basalt cliffs 56 Eocene Epoch 56 mammal extinctions 56 ancient supercontinent 56 temperate rainforest 56 icesheet 56 drumlins 56 sedimentary layers 56 Tertiary Period 56 Qinghai Tibetan plateau 56 Aletsch glacier 56 landmass 56 Cambrian Period 56 Jurassic Period 56 Early Cretaceous 56 Woolly mammoths 56 ancient lava flows 56 Arabia Terra 56 southern supercontinent 56 glaciers melt 55 Yellowstone caldera 55 subpolar 55 Appy Sluijs 55 Himalaya Mountains 55 Gondwana supercontinent 55 Transantarctic Mountains 55 retreating glacier 55 supercontinents 55 Qinghai Tibet plateau 55 Late Cretaceous 55 Taklimakan desert 55 Deluges 55 melting glacier 55 upland forests 55 warm interglacial periods 55 seafloor sediments 55 Boreal forests 55 basalt lava 55 harlequin frogs 55 Antarctic glacier 55 Larsen Ice Shelf 55 Pleistocene era 55 marine sediments 55 tabular icebergs 55 Quelccaya ice cap 55 Pastoruri 55 Siple Dome 55 Gangotri glacier 55 warmings 55 Cenozoic era 55 sedimentary deposits 55 Ontario Lacus 55 Carboniferous Period 55 severe droughts 55 glaciated 54 southern latitudes 54 volcanic lava 54 glacial moraine 54 Neanderthals roamed 54 Jakobshavn Isbrae 54 Late Paleozoic 54 Devonian Period 54 tropical glaciers 54 massifs 54 conodonts 54 karsts 54 Paleocene Eocene Thermal Maximum 54 extinct volcanoes 54 Jakobshavn 54 Kunlun Mountains 54 interglacial 54 Phanerozoic 54 Severe droughts 54 glacial melting 54 endless expanse 54 tropical coral reefs 54 bison roamed 54 tectonic plate movements 54 Bristlecone pines 54 alluvial plains 54 glacially carved 54 supercontinent Pangea 54 equatorial forests 54 glacial moraines 54 glacier 54 snowcaps 54 treeless plain 53 craton 53 Vatnajokull 53 Quelccaya 53 Archaean 53 abyssal plains 53 atmospheric methane 53 river deltas 53 temperate forests 53 Alaskan glaciers 53 icecaps 53 Crozet Islands 53 Sermeq Kujalleq glacier 53 Siberian Traps 53 solidified lava flows 53 highland forests 53 coastal lowlands 53 Eurasian landmass 53 subglacial lake 53 lithosphere 53 seacoasts 53 Ediacaran 53 mammoths roamed 53 Cryogenian period 53 Chacaltaya glacier 53 Younger Dryas 53 sea scorpions 53 snowcover 53 oceanic crust 53 Nares Strait 53 mountain glaciers 53 treeless plains 53 hydrological cycle 53 Nisqually Glacier 53 Navajo Sandstone 53 Middle Miocene 53 limestone outcrops 53 interglacials 53 icebergs calving 53 Deccan Traps 53 volcano Olympus Mons 53 hottest driest 53 Snowball Earth 53 Late Devonian 53 Siberia Mongolia 53 quadrillion gallons 53 hypoxic zone 53 Galapagos penguin 53 terminal moraine 53 chlorophyll concentrations 53 Navajo sandstone 53 icecap 53 sandstone buttes 53 Eyjafjoell volcano 53 glacial ice 53 Tibetan Plateau 53 basaltic rocks 53 Lake Vostok 53 limestone cave 53 Valles Marineris canyon 53 taiga forest 53 Gondwanan 53 Andean glaciers 53 subalpine 53 conifer forests 53 cratered highlands 53 coccolithophores 52 subalpine forest 52 thawing tundra 52 megaflood 52 rocky crags 52 icesheets 52 Khumbu Glacier 52 Great Aletsch Glacier 52 lake sediments 52 sedimentary layer 52 migrating northward 52 glacial 52 Ares Vallis 52 glaciers retreating 52 Lava flows 52 Vatnajökull 52 arid plateau 52 continental drift 52 ancestors migrated 52 Norris Geyser Basin 52 ecoregion 52 desertified 52 carboniferous 52 Lophelia 52 Thorthormi 52 montane forests 52 northernmost reaches 52 montane forest 52 Arctic permafrost 52 primeval forests 52 glacier melts 52 narrow ravines 52 GJ#b 52 Atlantic Gyre 52 terrestrial ecosystems 52 driftless 52 megafloods 52 Chazy Reef 52 Eemian 52 subarctic regions 52 silty clay 52 coastland 52 Late Triassic 52 volcanic archipelago 52 Taklamakan Desert 52 bison lumbered 52 loess 52 phytoplankton bloom 52 freshwater lakes 52 polynya 52 Caloris basin 52 Hellas Basin 52 melting glacial 52 driftless area 52 glacial cycles 52 Paleogene 52 moraines 52 permafrost melts 52 infertile soils 52 treeless tundra 52 volcanic caldera 52 deciduous forests 52 Antarctic glaciers 52 equatorial Pacific Ocean 52 ocean gyres 52 Late Pleistocene 52 Beringia 52 Louisiana coastal marshes 52 grabens 52 Kilimanjaro glaciers 52 densely forested mountains 52 lobe finned fishes 52 sandy ridges 52 granite cliffs 51 coniferous forests 51 Afar desert 51 arid plains 51 coniferous forest 51 Mertz Glacier 51 Cenozoic 51 Hesperian Epoch 51 Neoproterozoic 51 deltaic 51 hummocky 51 humans Homo sapiens 51 Pliocene epoch 51 basalt rocks 51 glacial valleys 51 lava eruptions 51 bottomland forest 51 equatorial waters 51 oceans 51 Gangetic delta 51 Arctic Archipelago 51 oligotrophic 51 Ninglick River 51 Kotzebue Sound 51 Kibish 51 glacial lakes 51 petroglyphs carved 51 barren expanse 51 km3 51 hydrologic cycle 51 terraced hills 51 glaciers melting 51 Weddell Sea 51 Perito Moreno 51 icefalls 51 intermountain west 51 Lohachara 51 disappearing glaciers 51 volcanism 51 Melting glaciers 51 Bouvet Island 51 eastern Dakotas 51 pliosaur ferocious predator 51 crustal plates 51 windswept plains 51 subalpine meadows 51 seafloors 51 plankton bloom 51 Norte Chico 51 Antarctic continent 51 oceanic circulation 51 landforms 51 supercontinent Gondwana 51 bristlecone pine trees 51 Lake Ladoga 51 Monks Mound 51 Fertile Crescent 51 Noachian 51 Lake Untersee 51 saber tooth cats 51 Quaternary 51 permafrost degradation 51 torrential monsoon downpours 51 Permian extinction 51 tidewater glaciers 51 volcanic craters 51 Middle Devonian 51 thermal vents 51 mantle lithosphere 51 Permian Triassic 51 Pleistocene 51 Sermilik Fjord 51 Tien Shan mountains 51 oceanic plates 51 Mariana Arc 51 undammed 51 savannah grasslands 51 Gigantopithecus 51 lowland plains 51 polar oceans 51 Laki eruption 51 Helheim Glacier 51 glacier calving 51 frozen wastelands 51 crustal plate 51 Giant salvinia 51 oceanic trenches 51 tectonic rift 51 mud volcanoes 51 permafrost thaws 51 limestone outcroppings 50 peat swamps 50 midlatitude 50 Glacial Lake 50 Sundarbans delta 50 buffalo roamed 50 talus slopes 50 Hadean 50 Dry Valleys 50 Swiftcurrent Lake 50 Tharsis Rise 50 refugia 50 overthrust belt 50 Mongolian steppes 50 permafrost soils 50 anomalously warm 50 asthenosphere 50 Cretaceous periods 50 glacier carved 50 Ilulissat glacier 50 Martian craters 50 upwellings 50 KT boundary 50 bottomland forests 50 Late Miocene 50 Ross Ice Shelf 50 Tharsis Montes 50 invertebrate fauna 50 cryosphere 50 heavier rainfalls 50 whitebark pines 50 Patagonian Andes 50 polar vortex 50 Perito Moreno glacier 50 Omo River 50 dense rainforests 50 mountain snowpacks 50 lunar crust 50 McMurdo Dry Valleys 50 Hesperian epoch 50 nomadic hunter gatherers 50 steppe mammoth 50 deciduous forest 50 Kerguelen Plateau 50 basaltic rock 50 polar caps 50 kyr 50 glacier shrinkage 50 bristlecone pines 50 warmest winters 50 volcanic basalt 50 cragged 50 dinosaurs roamed 50 tectonically 50 biogeographical 50 porous sandstone 50 deep gorges 50 Lake Yoa 50 Cretaceous Tertiary 50 Diporeia 50 geological strata 50 megadrought 50 juniper forests 50 Svalbard archipelago 50 Lago Argentino 50 Eocene Oligocene 50 Altai Mountains 50 Tianshan Mountain 50 glacier melt 50 El Chichon 50 steppe bison 50 Meghna rivers 50 lunar maria 50 Miocene Pliocene 50 meltwater 50 limestone bluffs 50 cooled lava 50 basalt flows 50 midlatitudes 50 Petermann Glacier 50 dromaeosaurs 50 spruce fir forests 50 temperate latitudes 50 basalt columns 50 limestone caverns 50 Kasatochi 50 Mauna Loa volcano 50 Geologically speaking 50 lowland forests 50 elephants roamed 50 glacial interglacial 50 Greenland icesheet 50 Subarctic 50 Capricorn Glacier 50 surface hoar 50 eskers 50 Coma Cluster 50 volcanic lava flows 50 Genghis Khan conquered 50 forested valleys 50 rifting 50 drumlin 50 Volcanic eruptions 50 granite bedrock 50 mountain ranges 50 meteorite bombardment 50 Ogallala aquifer 50 Holocene epoch 50 evergreen forests 50 fissure eruption 50 temperate rainforests 50 swampy lowlands 50 Sonoran pronghorns 50 Jakobshavn glacier 50 equatorial rainforest 50 degrees Fahrenheit warmer 50 meter Shinmoedake volcano 50 relict 50 orbits Saturn 50 speleothems 50 1m 3ft 50 volcanic ridges 50 Prolonged droughts 49 Seagrasses 49 Aletsch 49 backboned animals 49 Late Jurassic 49 sedge grass 49 eolian 49 prairie pothole 49 Ganges Brahmaputra 49 basalt volcanic 49 oceanic currents 49 hyper saline 49 downwelling 49 polar plateau 49 hogback 49 outwash 49 Martian volcanoes 49 montane 49 Carboniferous 49 Middle Paleolithic 49 Rhone glacier 49 limestone cliff 49 latitudinal gradient 49 phreatic 49 Periodical cicadas 49 Terre Adelie 49 Homo sapiens evolved 49 woolly rhinos 49 diatom species 49 shadowed craters 49 glacial silt 49 lobe finned fish 49 lain undisturbed 49 limestone karsts 49 Puijila 49 esker 49 sealevel 49 Khumbu glacier 49 birch forests 49 desolate expanse 49 moulins 49 Patagonian glaciers 49 Yellowstone Caldera 49 past boninite lavas 49 mastodon tusk 49 Paleozoic era 49 semiarid regions 49 sauropod dinosaur 49 hunted caribou 49 Gakkel Ridge 49 Saltcedar 49 Caloris 49 plate tectonics 49 subglacial 49 oceanic lithosphere 49 active volcanism 49 Azolla 49 geological epoch 49 Plate tectonics 49 polar latitudes 49 Neolithic Age 49 glacial geology 49 recolonised 49 alpine pastures 49 monarch butterflies migrate 49 forested uplands 49 Brood X cicadas 49 Chryse Planitia 49 equatorial latitudes 49 sediments 49 paddled kayak 49 seabed sediments 49 mammal fossils 49 northwesternmost 49 Little Ice Age 49 volcanically active 49 terrestrial mammals 49 Amu Darya 49 biotopes 49 mixed conifer forests 49 piñon pine 49 western Antarctic Peninsula 49 Argentinosaurus 49 Neoproterozoic era 49 sedimentary rock 49 Gangetic 49 Nazca civilization 49 Shivaliks 49 Brigham Grette 49 Polar Regions 49 arid deserts 49 ferric oxides 49 icy tundra 49 Frijoles Canyon 49 freshwater swamps 49 Antarctic peninsula 49 shortgrass prairie 49 taiga forests 49 Maastrichtian 49 fossilized creatures 49 fearsome Tyrannosaurus rex 49 cyclonic storms 49 luxuriant vegetation 49 refugium 49 Grimsvotn lies 49 warmer wetter 49 salmon canneries 49 barren tundra 49 Tongkou flowed placidly 49 Cordillera Blanca 49 tidewater glacier 49 volcano sedimentary sequences 49 Upper Paleolithic 49 Climatic Optimum 49 biogeochemical processes 49 constellation Andromeda 49 Cretaceous Paleogene 49 Himalayan river basins 49 Sturtian 49 Cape Alava 49 mantle convection 49 tectonically active 49 snowy tundra 49 tall ponderosa pines 49 freshwater ecosystems 49 Ozark Plateau 49 supervolcanoes 49 Lake Agassiz 49 sagebrush steppe 49 Equatorial Pacific 49 Taklimakan 49 rocky headland 49 Eyjafjallajökull erupted 49 magmatism 49 tropical savannah 49 moon Dione 49 meteor impacts 49 andesitic rocks 49 Upper Palaeolithic 49 lakes 49 Hardanger Fjord 49 hydrothermal springs 49 sediment cores 49 biodiversity hotspot 49 subterranean caves 49 draining aquifers 49 Subduction zones 49 lava fountains 49 Laptev Sea 49 molten magma 49 Columbia Icefield 49 iceberg calving 49 melting snows 48 Hik 48 coldest driest 48 Qinghai Tibetan Plateau 48 steep gorges 48 waterbird species 48 lichen covered 48 temperate zones 48 tectonic plate boundary 48 Tatshenshini 48 Icadyptes 48 treeless landscape 48 Nevado del Huila 48 rocky ridges 48 sparsely vegetated 48 Serengeti plains 48 cyanobacterial blooms 48 underground aqueducts 48 Antarctic icesheet 48 Arctic Ocean 48 wolves roam 48 Siberian tundra 48 ° #'N 48 lavas 48 permafrost 48 Martian crater 48 alpine valleys 48 Overflowing rivers 48 deserts jungles 48 Scotian Shelf 48 plankton blooms 48 Kangerdlugssuaq 48 Planitia 48 Mesozoic Era 48 crinoids 48 cataclysmic eruption 48 tidal inlets 48 silicate rocks 48 Seamounts 48 microscopic phytoplankton 48 dense rainforest 48 Mesozoic era 48 freshwater springs 48 mastodons roamed 48 spruce fir forest 48 Agulhas Current 48 Ice Age beasts 48 Hellas Planitia 48 tropic regions 48 dense clumps 48 Bellingshausen Sea 48 tufa 48 sandstone cliffs 48 grassy savannah 48 paleomagnetic 48 biodiverse regions 48 Pacific Subtropical Gyre 48 Valles Marineris 48 Hardangervidda 48 Earth crust 48 windblown sand 48 Tianshan Mountains 48 Surtsey 48 sub tropic 48 Kihansi spray toad 48 Shasta glaciers 48 Qaanaaq 48 tectonic uplift 48 Cerberus Fossae 48 Chilcotin Plateau 48 whitecapped 48 atmospheric CO2 concentration 48 solidified lava 48 atmospheric circulations 48 Nasca Lines 48 shoreward 48 ocean ridges 48 heaviest rainfalls 48 Tien Shan Mountains 48 prevailing westerly winds 48 volcanic magma 48 undersea volcanoes 48 coral islets 48 magma ocean 48 freshwater jellyfish 48 Gangotri Glacier 48 ocean upwelling 48 Poyang Lake 48 glacial fjord 48 waterfowl habitats 48 colliding tectonic plates 48 coastal temperate rainforest 48 Arctic tundra 48 Sumatra Andaman earthquake 48 climatic variations 48 Brahmaputra basin 48 megafauna 48 elkhorn corals 48 limestone caves 48 Ice floes 48 Oceanus Procellarum 48 Ordovician extinction 48 Shiveluch 48 river valleys 48 oak savannas 48 Elysium Planitia 48 Tyrrhenian Sea 48 Lake Champlain basin 48 chromosphere 48 Mars Meridiani Planum 48 sagebrush plains 48 Sable Gully 48 polar ice 48 icescape 48 geothermal gradient 48 marshes swamps 48 Chicxulub crater 48 sauropod dinosaurs 48 Great Oxidation Event 48 temperate regions 48 infinite expanse 48 austral summer 48 volcano Mount Vesuvius 48 Athabasca Glacier 48 dormant volcanoes 48 freshwater stingray 48 lowlands 48 glaciated peaks 48 driest deserts 48 brownish haze 48 colonizations 48 rivers 48 unlogged forests 48 Ak Su 48 Devils Hole pupfish 48 colder drier 48 Assam Arakan Basin 48 lodgepole pine forests 48 snowcapped volcano 48 Dhauladhar range 48 Eyjafjallajökull glacier 48 intertidal marsh 48 sandstone bluffs 48 basaltic lava 48 Whillans Ice Stream 48 lodgepole pine forest 48 volcanic crater 48 biologically diverse regions 48 warm interglacial 48 Lake Balkhash 48 bony fishes 48 Chihuahuan desert 48 called lobate scarps 48 axial tilt 48 Mayon slopes 48 floras 48 turbidites 48 Palaeozoic sedimentary 48 mya 48 ° C warmer 48 continuously inhabited 48 volcano Krakatoa 48 Qilian Mountain 48 Palaeozoic 48 planktonic foraminifera 48 Chicxulub Crater 48 neutrino telescope 48 Ruwenzori Mountains 48 Pacific Gyre 48 Warmer oceans 48 Middle Awash 48 Lagoon Nebula 48 lowland tropical 48 spinifex 48 warship Vasa 48 Driftless Area 48 treeless hills 48 Indohyus bones unearthed 48 Yunnan Guizhou Plateau 48 Pliocene 48 eared grebes 48 Greater Antilles 48 volcanic islands 48 northeastwards 48 Velicogna 48 rocky hillsides 48 Alaskan tundra 48 smoker vents 48 Mount Kilimanjaro glaciers 48 poleward 48 Ius Chasma 48 angiosperm 48 Bylot Island 48 mid latitudes 48 wolverine habitat 48 freshwater lagoons 48 glacial shrinkage 48 Indricotherium 48 lush meadow 48 endangered marine mammal 48 electron diffusion 48 methane seeps 48 #th meridian 48 storminess 48 pollute groundwater downstream 48 decimated bison herds 48 Late Ordovician 48 eastern lowland gorilla 48 prairies deserts 48 stromatolites 47 Chenab rivers 47 subaqueous 47 Viking orbiters 47 eucalypt forests 47 Palaeocene Eocene Thermal Maximum 47 volcanic cone 47 benthos 47 mountaintop glaciers 47 mantle plumes 47 preindustrial 47 karst caves 47 Cambrian explosion 47 rugged cliffs 47 Wilkins Ice Shelf 47 Hydrothermal vents 47 Paleo Indians 47 katabatic winds 47 tall prairie grasses 47 Serpens Cauda 47 filamentous algae 47 parched farmland 47 moons orbiting 47 Alfred Wegener 47 arid Sahel belt 47 Kolahoi glacier 47 porous limestone 47 ice calved 47 hydrosphere 47 humpback whales migrate 47 mid Pliocene 47 atmospheric CO2 concentrations 47 meridional overturning circulation 47 Fossae 47 wooded ridges 47 Heavy rainfalls 47 Brahmaputra rivers 47 shell midden 47 tectonic plate dives 47 continental rifting 47 sandstone formations 47 Tarim River 47 Chasma Boreale 47 SST anomalies 47 escarpments 47 breakneck industrialization 47 Nullabor Plain 47 barren plains 47 clathrates 47 mammoths mastodons 47 sawgrass prairies 47 paleoclimatic 47 fossilized footprints 47 hoarfrost 47 Fomalhaut b 47 tectonic boundary 47 lakebeds 47 temperate grasslands 47 Arsia Mons 47 Mt Etna 47 Llaima 47 Sundaland 47 inundated vast swathes 47 southerly latitudes 47 thatch roofed huts 47 hummocks 47 jagged boulders 47 sulfate minerals 47 lowermost mantle 47 glaciers thinned 47 Tropical rainforests 47 moonlike 47 mesa tops 47 granite outcroppings 47 Nazca plate 47 limestone escarpment 47 Eurasian tectonic plates 47 geoglyphs 47 Himalaya glaciers 47 Bering Straight 47 Greenland Ice 47 Precambrian 47 rocky ledges 47 Ediacara 47 tectonic activity 47 alluvial soil 47 beech forests 47 Tunguska meteorite 47 hydrated silica 47 snowcap 47 erupting lava 47 Siberian steppes 47 Acanthostega 47 treeless terrain 47 coralline 47 moon permanently shadowed 47 gyre 47 glacier melting 47 Tidal surges 47 Karakoram mountain 47 massive Myrdalsjokull glacier 47 Sandbars 47 olivine crystals 47 Melas Chasma 47 Himalaya mountains 47 sandy plains 47 tableland 47 Dig unearths 47 Stegodon 47 tuffaceous rocks 47 lava erupting