Related by context. All words. (Click for frequent words.) 79 interglacial period 73 Eemian 70 mid Pliocene 69 interglacial periods 69 Paleocene Eocene Thermal Maximum 67 Younger Dryas 67 glaciations 66 interglacials 65 Pliocene 64 glaciation 64 Eocene epoch 64 deglaciation 64 Holocene epoch 64 Pliocene epoch 64 Pleistocene epoch 63 Cryogenian 63 Last Glacial Maximum 63 Palaeocene Eocene Thermal Maximum 62 Pleistocene 62 Holocene 62 Eocene Epoch 62 Cambrian Period 62 Pleistocene Epoch 61 Ice Ages 61 Permian Period 61 Little Ice Age 61 Cretaceous Period 61 kyr 60 Late Cretaceous 60 Late Ordovician 60 warmings 60 Pleistocene era 59 Ediacaran 59 ° C warmer 59 Noachian 59 Snowball Earth 59 Great Oxidation Event 59 Upper Palaeolithic 59 Neoproterozoic 59 Ediacaran Period 59 Cenozoic Era 59 warm interglacial 58 Interglacial 58 Triassic Period 58 glacial cycles 58 Late Pleistocene 58 Upper Paleolithic 58 warm interglacial periods 58 Paleozoic Era 58 Eocene 58 Quaternary Period 58 Late Jurassic 58 Oligocene epoch 57 Late Devonian 57 Quaternary 57 Permian extinction 57 degrees Fahrenheit warmer 57 Cambrian explosion 57 Miocene Epoch 57 humans Homo sapiens 57 Cretaceous periods 57 geological epoch 57 glaciers melted 57 Tertiary Period 56 Cenozoic 56 Miocene epoch 56 multi decadal 56 Cretaceous 56 Neoproterozoic era 56 Middle Pleistocene 56 Anthropocene 56 Hesperian epoch 56 Late Cretaceous Period 56 glacial interglacial 56 Medieval Warm Period 56 Precambrian 56 Early Cretaceous 56 anomalously warm 56 Pleistocene Ice Age 56 Roman Warm Period 56 atmospheric CO2 concentration 56 Devonian Period 55 atmospheric CO 55 Jurassic Period 55 anatomically modern 55 Permian Triassic 55 CO2 concentrations 55 H. habilis 55 Neogene 55 Sr Ca 55 #.#C above 55 #.#oC [001] 54 Climatic Optimum 54 Cambrian Explosion 54 paleoclimate 54 Paleocene Eocene 54 Ordovician 54 Medieval Warming Period 54 paleoclimatic 54 australopithecines 54 sunspot cycle 54 atmospheric CO2 54 glaciers retreated 54 El Niño Southern Oscillation 54 sunspot activity 54 Medieval Warming 54 Noachian era 54 Homo sapiens 54 Late Triassic 54 Gondwanaland 54 Archaean 54 Toba eruption 54 KT boundary 54 lavas 54 mya 53 Hadean 53 surface temperatures SSTs 53 Cenozoic era 53 supercontinent 53 forams 53 Dry Valleys 53 coccolithophores 53 Paleocene Eocene thermal 53 atmospheric carbon dioxide 53 Sturtian glaciation 53 glacial interglacial cycles 53 Mesozoic era 53 Phanerozoic 53 solar nebula 53 marine sediments 53 Permian Triassic boundary 53 radiocarbon 53 equatorial Pacific Ocean 53 sedimentary layers 53 glacial 53 atmospheric methane 53 #.#C warmer 53 Pacific Decadal Oscillation 53 SSTs 52 Paleozoic 52 volcanism 52 Ardipithecus ramidus 52 hominid species 52 Southern Oscillation 52 mass extinctions 52 decadal 52 Carboniferous 52 GtC 52 megadroughts 52 Neandertals 52 atmospheric concentrations 52 megadrought 52 Atlantic Multidecadal Oscillation 52 interannual 52 Ice Age 52 Indian Ocean Dipole 52 Middle Miocene 51 Paleogene 51 Younger Dryas cold 51 foraminifera 51 El Niños 51 sedimentary deposits 51 Irvingtonian period 51 ENSO neutral conditions 51 subglacial lakes 51 atmospheric CO2 levels 51 Milankovitch 51 Maunder Minimum 51 mass extinction 51 chlorophyll concentrations 51 Paleozoic era 51 continental crust 51 Current Warm Period 51 Hesperian Epoch 51 isotope composition 51 solar irradiance 51 Panderichthys 51 vertebrate evolution 51 Triassic 51 Cryogenian period 51 Palaeocene Eocene thermal 51 Australopithecus 51 ppmv 51 multidecadal 51 PETM 51 deep convective clouds 51 Laptev Sea 51 axial tilt 51 cratons 51 glaciers receded 51 dinosaurs roamed 51 H. sapiens 51 benthic foraminifera 50 Triassic Jurassic 50 habilis 50 Atlantic Multidecadal Oscillation AMO 50 phyllosilicates 50 El Ninos 50 Cretaceous Tertiary boundary 50 basaltic rocks 50 Mesolithic 50 magmas 50 palaeoclimate 50 austral summer 50 ALH# 50 chondrules 50 tropical troposphere 50 anoxic 50 Paleocene 50 placental mammals 50 boreal regions 50 chondrites 50 Noachian period 50 Gigantopithecus 50 lithosphere 50 Beringia 50 sediments deposited 50 supervolcanoes 50 thermal inertia 50 hydrological cycle 50 lobe finned fish 50 equatorial regions 50 faunas 50 brachiopods 50 Yellowstone caldera 50 Zeebe 50 orbital eccentricity 50 iridium layer 50 stromatolites 50 abundances 50 solar minima 50 Appy Sluijs 50 Late Paleozoic 49 #.#C [004] 49 archeopteryx 49 ppbv 49 glacial retreat 49 satellite altimetry 49 Sumatra Andaman earthquake 49 C4 grasses 49 coolings 49 hominins 49 atmospheric CO2 concentrations 49 NSIDC 49 Acanthostega 49 KT extinction 49 Oligocene 49 Mesozoic Era 49 isotope ratios 49 Fram Strait 49 Mesozoic 49 tropospheric temperature 49 climatic variability 49 Mg Ca 49 Laurasia 49 Carboniferous Period 49 mammal extinctions 49 Puijila 49 hominid evolution 49 interannual variability 49 biogeochemical processes 49 species interbred 49 Jakobshavn Isbrae 49 temperate regions 49 primitive organisms 49 temperature reconstructions 49 greenhouse gas concentrations 49 diatoms 49 equatorial Pacific 49 substorm 49 stromatolite 49 oxygen isotope 49 T. hallae skeletons 49 Sedimentary rocks 49 carbon dioxide concentrations 49 multicellular animals 49 hydrosphere 49 Eocene Oligocene 49 ancient supercontinent 49 lobe finned fishes 49 mid latitudes 49 polar latitudes 49 Homo sapiens evolved 49 supercontinents 49 sediments 49 carbon isotopes 49 km3 49 carbon isotope ratios 49 equatorial latitudes 49 midlatitudes 48 ENSO cycle 48 2oC 48 hominid fossils 48 lake sediments 48 ornithischians 48 terrestrial ecosystems 48 zircons 48 Homo neanderthalensis 48 tropopause 48 bird Archaeopteryx 48 multicellular creatures 48 Aptian 48 greenhouse warming 48 oceanic crust 48 superheavy elements 48 hominids 48 Equatorial Pacific 48 carbonate minerals 48 paleomagnetic 48 epochs 48 planktonic foraminifera 48 lunar meteorites 48 primitive meteorites 48 Greenland Antarctica 48 Pleistocene Age 48 geological timescale 48 Neanderthals interbred 48 oxygen isotopic composition 48 Palaeolithic 48 Upper Triassic 48 pika habitat 48 reionization 48 geologic 48 polar vortex 48 Velicogna 48 #.#C #.#C 48 Permian Triassic extinction 48 poleward 48 glaciated 48 silicic 48 Milankovitch cycles 48 magma ocean 48 photosphere 48 depositional 48 megafauna 48 Jevrejeva 48 sediment cores 48 Sturtian 48 Homo erectus 48 Early Cretaceous Period 48 radiative forcing 48 Medieval Warm Period MWP 48 Eric Rignot 48 maternal lineages 48 #.#C #.#F [003] 48 La Nià ± 48 anthropogenic greenhouse gas 48 isotope fractionation 48 Polar Regions 48 cosmic ray flux 48 Amundsen Sea 48 Siberian Traps 48 clathrates 48 geomagnetic field 48 Homo species 48 Arctic oscillation 48 isotopic composition 48 ENSO 48 Ontario Lacus 48 Ardipithecus 48 diatom 48 silicate rocks 48 subpolar 47 seafloor sediments 47 anamensis 47 avian dinosaurs 47 Pacific Decadal Oscillation PDO 47 southern latitudes 47 Plio Pleistocene 47 atmospheric oceanic 47 Late Heavy Bombardment 47 Arctic Oscillation 47 permafrost 47 Rahmstorf 47 climatologically 47 anthropoid primates 47 Paranthropus robustus 47 meteorite bombardment 47 yedoma 47 Proterozoic 47 fossils 47 ocean eddies 47 terrestrial biosphere 47 sunspot numbers 47 ostracods 47 lowermost mantle 47 isotopic 47 El Nino La Nina 47 gigatonnes 47 earliest Homo sapiens 47 homo erectus 47 sunspot cycles 47 Early Archaic 47 chimps diverged 47 Paleoclimate 47 sulfur isotopes 47 hurricane landfalls 47 Rignot 47 Noctilucent clouds 47 primate evolution 47 aragonite 47 central equatorial Pacific 47 meteorite impacts 47 hominoids 47 mantle plumes 47 SST anomalies 47 teleconnections 47 dustier stormier atmosphere 47 tectonic plate movements 47 anthropoids 47 Cretaceous Tertiary 47 Ventastega 47 Cretaceous Paleogene 47 radiocarbon dated 47 H. erectus 47 tectonic activity 47 trilobites 47 Harvati 47 Madden Julian Oscillation 47 Late Miocene 47 Neandertal 47 heavily cratered 47 southern supercontinent 47 rifting 47 martian meteorites 47 conodonts 47 genus Homo 47 lunar magma 47 microfossils 47 biogeographic 47 El Niño La Niña 47 anthropogenic warming 47 Palaeozoic 47 chlorine monoxide 47 dromaeosaurs 47 spatial variability 47 hydrothermal activity 47 hominid fossil 47 decadal variability 47 abyssal plain 47 Siple Dome 47 Laurentide ice sheet 47 Mojzsis 47 bryozoans 47 herbivorous dinosaurs 47 Radiocarbon 47 isotopic compositions 47 preindustrial 47 eukaryote 47 Sinus Meridiani 47 coastal upwelling 47 subglacial 47 paleoenvironmental 47 dinosaur genera 47 paleoclimatologists 47 El Nino Southern Oscillation 46 ramidus 46 Maastrichtian 46 oC 46 lunar perigee 46 Ordovician extinction 46 magnetic polarity 46 Neanderthals Homo neanderthalensis 46 icecap 46 Chicxulub impact 46 Upper Jurassic 46 geological timescales 46 geothermal gradient 46 Burgess Shale 46 nicknamed Ardi 46 Myr 46 Nili Fossae 46 earliest hominid 46 depositional environment 46 Siberian permafrost 46 igneous rocks 46 Middle Eocene 46 northern latitudes 46 alpine glaciers 46 cryosphere 46 magmatism 46 Neanderthals roamed 46 La Ninas 46 jarosite 46 Dansgaard Oeschger 46 Neanderthals 46 speleothems 46 glaciers 46 bison lumbered 46 noctilucent clouds 46 Permo Triassic 46 ocean basins 46 zircon grains 46 upwellings 46 Laurentide Ice Sheet 46 climate modellers 46 sedimentological 46 Maunder minimum 46 sedimentary rock 46 photosynthetic organisms 46 phyllosilicate 46 perihelion 46 angiosperms 46 sedimentary rocks 46 Jurassic 46 Australopithecus afarensis 46 hominin 46 hominid 46 latitudes 46 olivine rich 46 eruptive activity 46 CAIs 46 Gondwana supercontinent 46 tetrapod 46 sunlike stars 46 planetesimals 46 human chimp speciation 46 seabed sediments 46 Blainville beaked whales 46 phytoplankton biomass 46 albedo feedback 46 volcanic activity 46 strontium isotope 46 sunspot 46 A. ramidus 46 single celled algae 46 halite 46 #.#-#.# degrees Fahrenheit [002] 46 evolutionary divergence 46 Serreze 46 Prochlorococcus 46 glaciological 46 moraines 46 Earth axial tilt 46 metazoans 46 Middle Paleolithic 46 ENSO neutral 46 ancestors migrated 46 Ayles Ice Shelf 45 lunar crust 45 chimpanzee genomes 45 Paranthropus 45 ocean sediment cores 45 GJ#b 45 Homo habilis 45 geoid 45 Keeling Curve 45 hydrologic cycle 45 Homo Sapiens 45 Woolly mammoths 45 salinities 45 crustal thickness 45 tetrapods 45 Stratospheric ozone 45 Homo heidelbergensis 45 magnetic substorms 45 ppm CO2 45 mitochondrial Eve 45 subtropical regions 45 Heterodontosaurus 45 elemental abundances 45 Min temp 45 thermocline 45 Wilkins Ice Shelf 45 Lake Vostok 45 methane clathrates 45 extratropical cyclones 45 erectus 45 YORP effect 45 Laetoli Tanzania 45 Denisovans 45 mitochondrial genome sequence 45 Martian meteorites 45 degree Centigrade 45 animal phyla 45 humans interbred 45 marine phytoplankton 45 taxa 45 Denisovan 45 Orjan Gustafsson 45 interconversion 45 olivines 45 ENSO El Nino 45 subsurface ocean 45 troposphere 45 Liang Bua 45 eastern equatorial Pacific 45 nitrogen fixation 45 dynamical processes 45 Eta Aquarid meteor shower 45 carboniferous 45 hypoxic zone 45 subglacial lake 45 ecoregions 45 biogeochemical 45 exosphere 45 Meridiani 45 Miocene 45 temperate latitudes 45 placental mammal 45 temperate zones 45 sunspots 45 phreatic 45 KBOs 45 glacier shrinkage 45 forcings 45 Tiktaalik 45 Australopithecus sediba 45 Cretaceous Tertiary KT 45 CryoSat mission 45 sulphidic 45 geomagnetic activity 45 cnidarians 45 Agulhas Current 45 sub glacial lakes 45 anomalously 45 Shiveluch 45 CoRoT 7b 45 fissure eruption 45 tigers roamed 45 angiosperm 45 Arctic Ocean 45 Otto Bliesner 45 terrestrial vertebrates 45 glacial melting 45 Homo antecessor 45 El Nio 45 geologically 45 permafrost soils 45 Upper Miocene 45 Archaic Period 45 AMSR E 45 Oort cloud 45 missing baryons 45 storminess 45 substorms 45 Cretaceous Jurassic 45 Saturnian 45 total solar irradiance 45 meteor impacts 45 polar icecap 45 Australopithecus anamensis 45 protoplanet 45 Paleolithic 45 Gakkel Ridge 44 single celled organisms 44 δ 44 oxygen isotopes 44 teragrams 44 Syrtis Major 44 plate tectonics 44 Hominids 44 Dromomeron 44 Ross Ice Shelf 44 shadowed craters 44 Greenland ice 44 cave stalagmites 44 polar mesospheric clouds 44 Service WGMS 44 Omar Baddour 44 Celsius #.#F 44 Willerslev 44 WASP #b 44 super Earths 44 planet Gliese #c 44 active volcanism 44 springtime ozone 44 multicellular 44 #.#C [002] 44 supermoons 44 cosmic ray intensity 44 retreating glaciers 44 Great Conveyor Belt 44 permafrost melts 44 chromosphere 44 Sarahsaurus 44 warmer wetter 44 Deccan Traps 44 multi celled 44 mammoths 44 chimpanzees diverged 44 cyanobacteria 44 evolutionary lineage 44 bonebed 44 methane hydrate 44 seismicity 44 elephants roamed 44 palaeo 44 prokaryotes 44 explosive volcanism 44 CO2 fluxes 44 hunter gatherers 44 Rossby waves 44 geochronology 44 Shakhova 44 post perovskite 44 Venus transits 44 planktonic 44 atmospheric circulation 44 grabens 44 Earthlike 44 undersea volcanoes 44 sulfur isotope 44 multi decadal signal 44 Laramidia 44 basalts 44 isostatic rebound 44 Palaeozoic sedimentary 44 airglow 44 Arctic permafrost 44 warmer wetter winters 44 glacial melt 44 Lower Palaeolithic 44 Kepler #b 44 multi celled organisms 44 COROT 7b 44 hominid skeleton 44 megathrust earthquake 44 Cambrian Ordovician 44 Dr van Ommen 44 unicellular organisms 44 bimodal distribution 44 oligotrophic 44 isotopic signature 44 archaea 44 Deccan volcanism 44 Antarctic Peninsula 44 C# atmospheric concentrations 44 Radiocarbon testing 44 icesheet 44 Ichthyostega 44 Palaeozoic era 44 Middle Devonian 44 Viking orbiters 44 dolomites 44 IPCC AR4 44 Sileshi Semaw director 44 La Niña pattern 44 sealevel 44 magmatic 44 subduction zone earthquake 44 planetary nebula 44 sauropodomorphs 44 cretaceous 44 Archaea 44 Weddell Sea 44 tetrapods evolved 44 GHG concentrations 44 altitudinal 44 Ulysses spacecraft 44 Early Bronze Age 44 hominoid 44 femtoseconds 44 circular orbits 44 aerosol concentrations 44 Confuciusornis 44 olivine 44 basinal 44 chondritic meteorites 44 glaciers melt 44 luminous galaxies 44 andesitic rocks 44 yr -1 44 cosmogenic 44 McMurdo Dry Valleys 44 telescopic observations 43 Pacific decadal oscillation 43 extinctions 43 Jupiter moons Europa 43 oxygen isotope ratios 43 Jakobshavn 43 polar caps 43 Terre Adelie 43 decadal scale 43 Adelie penguins 43 Cretaceous extinction 43 Natufian 43 Amundsen Sea Embayment 43 Coral bleaching 43 Brigham Grette 43 stratospheric clouds 43 smallest exoplanet 43 A. sediba 43 geosynchronous orbit reached 43 chondritic 43 Antarctic Dry Valleys 43 Homo ergaster 43 PBDE concentrations 43 siliciclastic 43 tectonically 43 anthropogenic carbon dioxide 43 Gobero 43 fossil 43 Archaeopteryx 43 tropical coral reefs 43 Jay Lawrimore chief 43 Kelvin -# 43 tropospheric 43 mesosphere 43 Cenomanian 43 Corot 9b 43 seafloor sediment 43 Mud volcanoes 43 hydrated minerals 43 partial skeleton 43 interstellar dust grains 43 thermal gradient 43 glaciers retreating 43 Medieval Warm 43 species Australopithecus afarensis 43 abyssal plains 43 fossilized footprints 43 isotopic ratios 43 subarctic regions 43 winter snowfalls Luthcke 43 plesiosaurs 43 Lake Yoa 43 anthropogenically 43 temperate forests 43 Ellesmere Island 43 Antarctic Ice 43 plutonic rocks 43 extinct volcanoes 43 Homo erectus fossils 43 cryovolcanism 43 FASPS 43 -# degrees Fahrenheit [002] 43 Greenland glaciers 43 mammal fossils 43 Homo genus 43 planetary warming 43 La Nina cooling 43 Saqqaq 43 Geminid Meteor Shower 43 geologically active 43 Devonian 43 ocean ridges 43 atmospheric aerosols 43 felsic dike 43 endothermic 43 mountain glaciers 43 diurnal variation 43 Schladow 43 equinoxes 43 Radiocarbon dating 43 pliosaur ferocious predator 43 protoplanets 43 steppe mammoth 43 sheet Summerhayes 43 glacial ice 43 geomagnetic 43 Mayan calendar ends 43 Vernon Kousky NOAA 43 Palaeo 43 Acheulian 43 journal Geology 43 evolutionary adaptation 43 carbonate globules 43 sulfate aerosols 43 acidified 43 Adélie penguins 43 phytoplankton blooms 43 Crozet Islands 43 Paleoindian 43 supernova explosion 43 mosasaurs 43 Halifax Weather Overcast 43 evaporite 43 presolar grains 43 tungsten isotopes 43 cataclysmic eruption 43 Earth Overshoot Day 43 subarctic 43 fossilized feathers 43 Neanderthal extinction 43 Quadrantids 43 continental drift 43 biosignatures 43 radiometric dating 43 Greenland Ice 43 Plesiosaurs 43 Zalasiewicz 43 Tiktaalik roseae 43 platypus genome 43 paleoclimatology 43 subduction zones 43 amphioxus 43 QQ# 43 Middle Awash 43 flatfishes 43 Tharsis Rise 43 atmospheric circulations 43 common ancestor 43 speciation 43 landfalling hurricanes 43 methane hydrates 43 faunal 43 spicule 43 Cassini flyby 43 Stegodon 43 carbonaceous chondrites 43 baleen whales 43 PANHANDLE Temperatures 43 granitoids 43 bipedal ape 43 Antarctic ice 43 megalodon 43 Atmospheric CO2 43 Otzi 43 WMAP satellite 43 Landsea 43 landmasses 43 coprolites 43 cyclicity 43 genus homo 43 eukaryotes 43 smoothed sunspot number 43 downwelling 43 ESA Envisat satellite 43 silicate mantle 43 southerly latitudes 43 Microorganisms 43 multicellular organisms 43 primate lineage 43 Petoukhov 43 Messinian 43 Caballos Formation 43 Antarctic icecap 43 name Mesonychoteuthis hamiltoni 43 comet nuclei 43 runaway greenhouse 43 glaciologists 43 anorthosite 43 protoplanetary disk 43 spacecraft flyby 43 sunlike star 43 supercontinent Pangaea 43 Walt Meier 43 tyrannosaurids 43 amphipods 43 Australopithecus genus 43 midge populations 43 carbonyl sulfide 43 basaltic 43 fossilized creatures 43 Norris Geyser Basin 43 bony fishes 43 chimp genomes 43 La Niñas 43 Julienne Stroeve 43 Neanderthal genes 43 gigatons 43 perovskite 42 Lake Untersee 42 kelvin 42 outlet glaciers 42 influenza pandemics 42 frilled shark 42 supervolcano 42 icesheets 42 eruptive 42 receding glaciers 42 radioactive decay 42 methanogens 42 Gigatonnes 42 GISS analysis 42 megathrust quakes 42 methane concentrations 42 pillow lavas 42 neutrino mass 42 GPa 42 coronal hole 42 severe droughts 42 oscillation 42 astronomical alignments 42 tropical latitudes 42 Seismicity 42 mammoths roamed 42 upwelling 42 Mesoproterozoic 42 Genyornis 42 solar corona 42 volcanic ridges 42 hominin fossils 42 mantle convection 42 metastable 42 crustal movements 42 Lower Cretaceous 42 paleobiologists 42 biogeographical 42 Earth crust 42 CHD mortality 42 asthenosphere 42 abyssal depths 42 El Niño 42 placentals 42 Martian atmosphere 42 marine reptiles 42 Kilimanjaro glaciers