Related by context. All words. (Click for frequent words.) 75 mass extinction 69 extinctions 67 Permian extinction 67 glaciations 66 Cambrian explosion 64 dinosaur extinction 63 Snowball Earth 63 Ordovician extinction 62 warmings 61 atmospheric methane 60 Ice Ages 60 Permian Triassic extinction 60 Great Oxidation Event 60 species extinctions 59 mammal extinctions 59 supervolcanoes 59 Palaeocene Eocene Thermal Maximum 59 greenhouse warming 59 Cambrian Explosion 59 interglacial periods 59 Younger Dryas 59 asteroid impacts 58 Permian Triassic boundary 58 megafauna 58 glaciation 58 Little Ice Age 58 deglaciation 58 meteor impacts 58 interglacial period 58 meteorite impacts 57 KT extinction 57 Eocene epoch 57 atmospheric carbon dioxide 57 Paleocene Eocene Thermal Maximum 57 meteorite bombardment 57 Ediacaran 56 Cambrian Period 56 atmospheric CO2 levels 56 coral bleaching 56 volcanism 56 coccolithophores 55 Late Heavy Bombardment 55 glacial cycles 55 Cryogenian 55 megafauna extinction 55 Cryogenian period 55 Extinctions 55 Permian Triassic 54 El Ninos 54 supermoons 54 KT boundary 54 El Niños 54 Anthony Barnosky 54 Late Triassic 54 ocean acidity 53 Cretaceous extinction 53 amphibian declines 53 sunspot activity 53 abiogenesis 53 animal phyla 53 Medieval Warm Period 53 amphibian species 53 anthropogenic climate 53 interglacials 52 planetary warming 52 Late Devonian 52 atmospheric CO2 52 ocean acidification 52 climate modellers 52 atmospheric CO 52 plate tectonics 52 iridium layer 52 Devonian Period 52 Neoproterozoic era 52 interglacial 52 climatic variability 52 glacial retreat 52 CO2 concentrations 52 Pleistocene epoch 52 megaquakes 52 phytoplankton blooms 52 severe droughts 52 volcanic eruptions 52 terrestrial ecosystems 52 greenhouse gas concentrations 51 Chicxulub impact 51 Cretaceous Tertiary KT 51 dinosaurs 51 Deccan eruptions 51 Ediacaran Period 51 Holocene epoch 51 Cretaceous Period 51 marine sediments 51 Anthropocene 51 hydrothermal activity 51 magnetic substorms 51 atmospheric concentrations 51 atmospheric CO2 concentration 51 Cretaceous Tertiary extinction 51 supercontinent 51 clathrates 51 glacial interglacial 51 paleoclimate 51 mosasaurs 51 Deccan Traps 51 upwellings 51 bleachings 51 Toba eruption 51 Noachian 51 geological epoch 51 Medieval Warming 50 megadrought 50 carbon dioxide concentrations 50 Holocene 50 Mass Extinction 50 PETM 50 Oligocene epoch 50 Ocean acidification 50 cyclonic storms 50 multicellular animals 50 reionization 50 Eemian 50 Eocene Epoch 50 angiosperms 50 crinoids 50 anthropogenic emissions 50 megadroughts 50 Last Glacial Maximum 50 Mass extinctions 50 anthropogenic warming 50 Zeebe 50 Boris Worm 50 anthropogenic 50 Triassic Period 50 trilobites 50 Cretaceous Paleogene 50 Permian Period 50 SN #gy 49 Pliocene 49 diatoms 49 avian dinosaurs 49 Cenozoic 49 toxic algal blooms 49 droughts 49 tectonic plate movements 49 Harmful algal blooms 49 Sr Ca 49 Deccan volcanism 49 Paleozoic Era 49 influenza pandemics 49 tectonic earthquakes 49 La Ninas 49 multi decadal 49 paleoclimatic 49 invertebrate animals 49 toxic algae blooms 49 anthropogenically 49 Warmer oceans 49 supernova explosion 49 Warmer seas 49 Late Ordovician 49 Phanerozoic 49 biodiversity hotspots 49 primate evolution 49 ocean basins 49 atmospheric CO2 concentrations 49 Late Cretaceous Period 49 faunas 49 Millennium Ecosystem Assessment 49 stromatolites 48 Neoproterozoic 48 megathrust quakes 48 Type Ia supernova 48 Cyanobacteria 48 megafaunal 48 retreating glaciers 48 Greenland ice 48 vertebrate evolution 48 Ice Age mammals 48 Pleistocene 48 Antarctic ozone 48 lunar perigee 48 Sumatra Andaman earthquake 48 Burgess Shale 48 Cenozoic Era 48 Mesozoic era 48 Pacific Decadal Oscillation 48 cosmic ray flux 48 hydrological cycle 48 biogeochemical processes 48 forcings 48 Miocene epoch 48 beachings 48 Earth biosphere 48 Ordovician 48 Mount Tambora 48 Alpine glaciers 48 anthropoid primates 48 Laurentide ice sheet 48 kyr 48 whale strandings 48 plankton blooms 48 amphibian populations 48 astronomical alignments 48 Coral bleaching 48 thermonuclear reactions 48 El Niño La Niña 48 substorms 48 glaciers receded 48 asteroid collisions 48 anthropogenic CO2 emissions 48 polar caps 48 famines 48 Milankovitch cycles 48 dustier stormier atmosphere 48 mountain glaciers 47 microbial ecosystems 47 mid latitudes 47 trophic cascades 47 atmospheric circulation 47 manmade greenhouse gases 47 dinosaurs roamed 47 cryovolcanism 47 floods droughts 47 glacial melt 47 subduction zones 47 oceans 47 Type 1a supernova 47 photosynthetic organisms 47 Chicxulub 47 Hadean Eon 47 Interglacial 47 flu pandemics 47 speciation 47 Atlantic Multidecadal Oscillation AMO 47 El Nio 47 ozone depletion 47 Miller Urey experiment 47 sediments deposited 47 harmful algal blooms 47 nitrogen deposition 47 golden toad 47 foreshocks 47 Hadean 47 mammals 47 reptile extinctions 47 forams 47 trophic cascade 47 volcanoes erupt 47 flood basalts 47 anthropogenic greenhouse gas 47 Carboniferous 47 substorm 47 multicellular creatures 47 anoxic 47 primitive organisms 47 dangerously overheat 47 biosphere 47 glacial interglacial cycles 47 manmade CO2 emissions 47 Precambrian 47 Chicxulub asteroid 47 dieoff 47 prokaryotes 47 subglacial lakes 47 solar minima 47 Sumatran earthquake 47 algal blooms 47 warmer wetter winters 47 heatwaves 47 volcanic activity 47 ecoregions 47 hydrothermal explosions 47 epigenetic changes 47 Hesperian epoch 47 paleoclimatologists 47 storms floods droughts 47 isopods 47 single celled organisms 47 Algal blooms 47 Milankovitch 47 Late Pleistocene 47 warm interglacial 47 coral spawning 46 supervolcano eruption 46 El Niño Southern Oscillation 46 Type Ia supernovas 46 tectonic plate shifts 46 megathrust earthquake 46 ENSO cycle 46 Homo sapiens 46 lunglessness 46 climate alarmists 46 brachiopods 46 Kittlitz murrelet 46 galactic mergers 46 Dansgaard Oeschger 46 climate forcings 46 hydrosphere 46 ornithischians 46 macroevolution 46 continental drift 46 supernova explosions 46 Jurassic Period 46 Volcanic eruptions 46 Neanderthal extinction 46 solar nebula 46 asteroids comets 46 heatwaves floods 46 glacier retreat 46 acidifying oceans 46 sunspots 46 mass beachings 46 gravitational interactions 46 subduction earthquake 46 chytridiomycosis 46 dynamical processes 46 Pliocene epoch 46 oxygen depletion 46 glacial melting 46 Tunguska meteorite 46 radiative forcing 46 australopithecines 46 insect pollinators 46 Rossby waves 46 prolonged droughts 46 Paleoclimate 46 geological timescale 46 multicellular organisms 46 tiny single celled 46 supervolcano 46 mega fauna 46 surface temperatures SSTs 46 Noah Diffenbaugh 46 melting permafrost 46 mammoths 46 cyanobacteria 46 reef ecosystems 46 anthropogenic CO2 46 phytoplankton bloom 46 Eric Rignot 46 Amundsen Sea Embayment 46 solar flares 46 diatom species 46 Climatic Optimum 46 stratospheric ozone depletion 46 super Earths 46 Flu pandemics 46 impactors 46 Quaternary 46 glaciers melt 46 Hominids 46 sedimentary layers 45 perigee moon 45 acidification 45 climate modelers 45 solar irradiance 45 supernovae 45 Keeling Curve 45 crurotarsans 45 coolings 45 glaciers retreated 45 punctuated equilibrium 45 Sauropods 45 microevolution 45 plesiosaurs 45 glacier shrinkage 45 T. hallae skeletons 45 axial tilt 45 foraminifera 45 terrestrial vertebrates 45 vertebrate species 45 subduction zone earthquake 45 Cretaceous periods 45 Medieval Warming Period 45 glaciers melted 45 insect outbreaks 45 vertebrates 45 Paranthropus 45 earths 45 el Nino 45 acidic oceans 45 hurricane landfalls 45 Pleistocene Epoch 45 evolutionary lineage 45 Ice Age 45 El Nino Southern Oscillation 45 Ozone depletion 45 Galapagos penguin 45 gigatonnes 45 Cretaceous 45 paleobiologist 45 paleoecology 45 Palaeozoic era 45 supernovas 45 droughts floods storms 45 El Nino warming 45 Pleistocene Ice Age 45 mya 45 warm interglacial periods 45 Cassin auklet 45 El Nino Modoki 45 Paleozoic era 45 Coral reefs 45 methane burps 45 disappearing glaciers 45 mantle plumes 45 brightest supernova 45 SuperMoon 45 von Frese 45 placentals 45 anomalously warm 45 Tertiary Period 45 refugia 45 icesheets 45 preindustrial temperatures 45 chytrid 45 colonizations 45 merging galaxies 45 WASP #b 45 upwelling 45 overexploitation 45 mass strandings 45 Solar eclipses 45 ecosystems 45 nitrogen fixation 45 ENSO 45 hydrologic cycle 45 permafrost degradation 45 Maunder minimum 45 Yellowstone supervolcano 45 meteoroid impacts 45 tropical troposphere 45 droughts heatwaves 45 jellyfish swarms 45 seafloor sediments 45 sunspot cycle 45 gamma ray burst 45 megafloods 45 gyres 45 GtC 45 marine ecologists 45 evolutionary trajectories 45 humans Homo sapiens 45 evolutionary lineages 45 Gigantopithecus 45 Hesperian Epoch 45 subglacial 45 Appy Sluijs 45 Nigel Tapper 45 climatic anomalies 44 glacial earthquakes 44 multicellular 44 explosive eruptions 44 hypernova 44 Woolly mammoths 44 Peanut allergies 44 fearsome Tyrannosaurus rex 44 supercontinents 44 prebiotic molecules 44 biogeochemical cycles 44 glaciers 44 geochemists 44 icecaps 44 Cenozoic era 44 endocrine disruption 44 ocean eddies 44 Tunguska Event 44 Professor Hoegh Guldberg 44 methane seeps 44 supercontinent Pangaea 44 moon gravitational pull 44 phytoplankton 44 heatwaves floods droughts 44 placental mammals 44 Climategate scandal 44 biosignatures 44 choanoflagellates 44 Cumbre Vieja 44 archeopteryx 44 eutrophication 44 called lobate scarps 44 Archean Expansion 44 warmer wetter 44 evolutionary divergence 44 lava flows 44 Tunguska explosion 44 marine reptiles 44 Anthropogenic 44 Pleistocene era 44 Late Cretaceous 44 TGFs 44 eukaryote 44 megafires 44 ostracods 44 runaway greenhouse 44 James Lovelock 44 global weirding 44 coelacanths 44 thermal inertia 44 lake sediments 44 Darwin finches 44 Famines 44 supermoon 44 Palaeocene Eocene thermal 44 reactive nitrogen 44 coral reef degradation 44 Acanthostega 44 Schladow 44 tropical glaciers 44 amphibians 44 decadal 44 reef habitats 44 climatic variations 44 megaflood 44 Sarahsaurus 44 Mass Extinctions 44 global warming 44 primitive meteorites 44 rapid intensification 44 Severe droughts 44 runaway thermonuclear 44 Population Bomb 44 overhunting 44 gamma ray bursts GRBs 44 coral reefs 44 seismicity 44 oxygen isotopes 44 intersex fish 44 GRBs 44 climatological 44 nuclides 44 Woese 44 sulfate aerosols 44 Theropods 44 Fermi Paradox 44 species 44 marine mammal strandings 44 abiotic 44 lifeforms 44 methane clathrates 44 Eocene 44 plankton bloom 44 meteor showers 44 Earths 44 receding glaciers 44 Katla volcano nearby 44 habitable planets 44 Martian meteorites 44 Archaea 44 Biogeography 44 isostatic rebound 44 galactic alignment 44 Gondwanaland 44 earthquakes volcanic eruptions 44 gamma ray bursts 44 osmium 44 contagious yawning 44 polyploidy 44 ecological disasters 44 observable phenomena 44 fossil 44 planetary alignments 44 astronomical phenomena 44 YORP effect 44 stratospheric ozone 44 GHG concentrations 44 abundances 44 planetwide 44 novae 43 Prochlorococcus 43 NDEs 43 phyllosilicates 43 functionally extinct 43 reef corals 43 Cascadia Subduction Zone 43 Jakobshavn 43 Paleocene Eocene 43 eruptive activity 43 atmospheric oceanic 43 Noachian period 43 polar icecaps 43 Mojzsis 43 anthropoids 43 TrES 4 43 Shuhai Xiao 43 vertebrate animals 43 Homo sapiens evolved 43 phenomenons 43 bony fishes 43 marine ecosystems 43 archaea 43 sauropodomorphs 43 cataclysmic 43 tectonic activity 43 Puijila 43 sub glacial lakes 43 Zalasiewicz 43 biomes 43 Maunder Minimum 43 basaltic rocks 43 penguin species 43 hotter summers 43 Noachian era 43 Global warming 43 Gigantoraptor belong 43 undersea earthquakes 43 millennia 43 multi celled organisms 43 coevolution 43 hurricanes floods droughts 43 el Niño 43 boreal regions 43 tyrannosaurs 43 Colony Collapse Disorder CCD 43 Pleistocene Age 43 Gamma ray burst 43 kelp forests 43 planemos 43 comets 43 Early Cretaceous Period 43 Behrenfeld 43 Nielsen Gammon 43 Serreze 43 Greenland glaciers 43 Greenland icecap 43 exoplanets orbiting 43 alpine glaciers 43 pandemics 43 cholera epidemics 43 Tharsis Rise 43 freshwater ecosystems 43 Stratospheric ozone 43 plesiosaur 43 Triassic Jurassic 43 atmospheric aerosols 43 earliest tetrapods 43 paleomagnetic 43 coral calcification 43 strandings 43 eruptions 43 pliosaurs 43 superstorms 43 genus Homo 43 Neandertals 43 glacier melts 43 evolutionary theorists 43 single celled creatures 43 subtropical regions 43 melting icecaps 43 C4 grasses 43 sauropod dinosaurs 43 ULIRGs 43 supernovae explosions 43 paleoclimatology 43 perturbations 43 ocean upwelling 43 benthic foraminifera 43 chordates 43 SN #A 43 auroral displays 43 Younger Dryas cold 43 angiosperm 43 Current Warm Period 43 droughts floods heatwaves 43 harmful algal bloom 43 deformed frogs 43 Greenland icesheet 43 loggerhead nests 43 Cretaceous Paleogene boundary 43 chytrid fungus Batrachochytrium dendrobatidis 43 atmospheric ozone layer 43 nucleosynthesis 43 midlatitudes 43 Miocene Epoch 43 iceberg calving 43 Poinar 43 floods heatwaves droughts 43 oceanic circulation 43 floods cyclones 43 amphipods 43 hominid species 43 magnetic polarity 43 Weiqing Han 43 epochs 43 mid Pliocene 43 dromaeosaurs 43 Antarctic krill 43 Medieval Warm Period MWP 43 Late Jurassic 43 Upper Paleolithic 43 microfossils 43 Stegodon 43 Volcanism 43 noctilucent clouds 43 landforms 43 Neogene 43 catastrophes 43 coronal heating 43 biota 43 protoplanets 43 archosaurs 43 herbivorous insects 43 subsurface ocean 43 mass migrations 43 volcanoes erupting 43 coronal mass ejections CMEs 43 Rahmstorf 43 ecological degradation 43 phyla 43 Martians invading 43 matter antimatter asymmetry 43 vertebrate fossil 43 Mesozoic 43 Dr van Ommen 43 influenza epidemics 43 volcanoes 43 thawing permafrost 43 temperature reconstructions 43 icy moons 43 hominids 43 climatic 43 Luterbacher 43 extinction 43 mammal fossils 43 Ernst Mayr 42 ionospheric disturbances 42 Droughts 42 Antennae Galaxies 42 metazoans 42 undersea volcanoes 42 vertebrate fossils 42 Phytoplankton 42 geomagnetic storms 42 Uberabasuchus 42 lunar crust 42 Carl Gustaf Lundin 42 Species extinction 42 Beringia 42 whitebark pines 42 coral reef habitats 42 evolutionary adaptations 42 anthropogenic global warming 42 sauropods 42 paleobiology 42 Triassic 42 molecular systematics 42 Saturn moons 42 Plate tectonics 42 megathrust quake 42 HABs 42 overfishing pollution 42 predatory fishes 42 methane CH4 42 foreshock 42 fossilisation 42 methanogens 42 magnetic reconnection 42 galaxy formation 42 El Nino La Nina 42 anoxia 42 phenomena 42 ALH# 42 organisms 42 multidecadal 42 sun irradiance 42 ENSO El Nino 42 radiometric dating 42 Comparative genomics 42 cryosphere 42 evolutionary adaptation 42 southern supercontinent 42 dolphin strandings 42 biosignature 42 Atmospheric CO2 42 Quaternary Period 42 tropical latitudes 42 mammal species 42 molten magma 42 eukaryotes 42 sunspot 42 pollinator populations 42 Paleogene 42 droughts heatwaves floods 42 rocky planets 42 Solar flares 42 isotope ratios 42 sunlike stars 42 microscopic organisms 42 subduction zone earthquakes 42 single celled bacteria 42 lobe finned fishes 42 Cumbre Vieja volcano 42 Plate Tectonics 42 tectonic stresses 42 Eta Carinae 42 cyclones droughts 42 Overfishing pollution 42 Mesozoic Era 42 earthquakes 42 H. erectus 42 fossilization 42 earthquakes tsunamis 42 acid rain 42 comets orbiting 42 type Ia supernovae 42 Homo genus 42 ocean ecosystems 42 Substorms 42 Mass strandings 42 unicellular organisms 42 chytrid fungus 42 huxleyi 42 supernova 42 Moya Sola 42 sediment cores 42 superheavy elements 42 evolutionary 42 Kevin Trenberth 42 planets atmospheres 42 calderas 42 Stefan Rahmstorf 42 catastrophism 42 asteroids orbiting 42 magmatism 42 multi decadal signal 42 Avian cholera 42 planetary orbits 42 echinoderm 42 Michael Blanpied 42 common murres 42 paleo 42 seals sea lions 42 airbursts 42 faunal 42 Tunguska 42 symptoms Reisacher 42 Hygiene Hypothesis 42 Hellas Basin 42 anthropogenic greenhouse gases 42 meteoroid 42 extrasolar 42 binary asteroids 42 ecological overshoot 42 Atlantic Multidecadal Oscillation 42 Greenland Antarctica 42 Global Warming 42 Galilean moons 42 Robock 42 periodicities 42 deep convective clouds 42 Siberian Traps 42 mammal lineages 42 benthos 42 strangelet 42 perturbation 42 heatwaves droughts floods 42 Hamish Pritchard 42 Himalayan river basins 42 manatee deaths 42 woolly mammoths 42 tetrapods 42 amphibian extinction 42 Gondwana supercontinent 42 Comet Shoemaker Levy 42 Ardipithecus ramidus 42 Earthlike planets 42 Yellowstone caldera 42 ppbv 42 sea scorpions 42 cosmologists 42 ichthyosaurs 42 isotopic composition 42 underwater volcanoes 42 Laurentide Ice Sheet 42 lichens 42 exceedences 42 reef fishes 42 seiche 42 millisecond pulsars 42 Krakatoa eruption 42 theropod dinosaurs 42 interannual variability 42 amplifying feedbacks 42 Early Cretaceous 42 evolutionary biologists 42 globular clusters 42 mass beaching 42 glaciers retreating 42 climategate controversy 42 temperate forests 42 fiercer storms 42 Norris Geyser Basin 42 panspermia 42 Harmonic Convergence 42 atmospheric phenomena 42 manmade global warming 42 sedimentary deposits 42 ocean ridges 42 protozoans 42 planktonic foraminifera 42 ultra violet radiation 42 Svensmark 42 coral reef ecosystems 42 Nectocaris 42 algae blooms 42 Eyjafjallajokull erupts 42 pika habitat 42 superstrings 42 volcanic tremors 42 magmas 42 whale beachings 42 Colony Collapse 42 carbonate minerals 42 magma ocean 42 landmasses 42 polar regions 42 V# Mon 42 corals sponges 42 amphibian extinctions 41 Gerald Meehl 41 biogeographic 41 saber toothed tigers 41 winterkill 41 microbialites 41 bacteria Streptococcus pneumoniae 41 celled organisms 41 genus Australopithecus 41 Rignot 41 Algae blooms 41 geosphere 41 glacier melting 41 ppmv 41 seabed sediments 41 methanogenesis 41 snail kites 41 Camille Parmesan 41 Paleocene 41 planetesimals 41 oxygenic photosynthesis 41 degrees Fahrenheit warmer 41 bark beetle outbreaks 41 dinosaur species 41 geomagnetic activity 41 microscopic phytoplankton 41 glacial meltwater 41 exo planet 41 galactic cannibalism 41 Evolutionary biology 41 Pseudo nitzschia 41 Southern Oscillation 41 thermonuclear explosion 41 endemism 41 landfalling 41 Medieval Warm 41 oceanic crust 41 protoplanet 41 Heterodontosaurus 41 galactic cosmic rays 41 Jevrejeva 41 Tropical deforestation 41 temperate zones 41 waves droughts floods 41 Vibrio infections 41 Paytan 41 coral species 41 polar oceans 41 methane hydrates 41 paleobiologists 41 Flu epidemics 41 radioactive nuclei 41 Chicxulub crater 41 Jakobshavn Isbrae 41 Nate Mantua 41 floods droughts heatwaves 41 tyrannosaurids 41 Hipparchus 41 Le Quéré 41 Pluto demotion 41 ° C warmer 41 pteropods 41 Kharecha 41 topsoil erosion 41 carnivorous dinosaurs 41 NCEAS 41 Antarctic glaciers 41 cataclysmic eruption 41 Sinervo 41 Natalie Mahowald 41 Dry Valleys 41 thermohaline circulation 41 seagrasses 41 Professor Ove Hoegh 41 Rune Graversen 41 Venus transits 41 plankton 41 landfalling hurricanes 41 Santorini eruption 41 Serengeti ecosystem