Related by context. Frequent words. (Click for all words.) 51 meteor impacts 50 Solar flares 49 icecaps 49 Extinctions 49 IntergalaticEarth 48 Anthropogenic 48 planetary warming 48 permafrost thaws 47 Coral bleaching 47 warmings 47 mass extinctions 47 species extinctions 46 Snowball Earth 46 clathrates 46 Earth 46 potent greenhouse gas 46 ozone layer depletion 45 Volcanic eruptions 45 reactive nitrogen 45 planet 45 meteorite impacts 45 resource depletion 44 Ocean acidification 44 highly abrasive ash 44 Ambrilia views 44 ultra violet radiation 44 University Lamont Doherty 44 Melting glaciers 44 Bacterial infections 44 explosive eruptions 44 Nitrogen oxides 44 GLOBAL WARMING 44 Antarctic ozone 44 smog acid 44 perturbations 43 earthquakes volcanic eruptions 43 atmospheric CO2 concentration 43 Siberian permafrost 43 earthquakes volcanoes 43 gyres 43 driest inhabited continent 43 hypothetical particle 43 methane CH4 43 glaciers melting 43 gigatonnes 43 glaciers melt 43 emitting greenhouse gases 43 acidify 43 volcanic vents 43 warmer wetter 43 polar icecaps 42 co2 42 Greenhouse Effect 42 Jupiter moon Io 42 mass extinction 42 glaciations 42 biosphere 42 Global warming 42 harmful ultraviolet radiation 42 burning fossil fuels 42 EarthTalk 42 galactic cosmic rays 42 abiotic 42 habitable planet 42 Neutron stars 42 journal Climatic Change 42 delicate ecosystems 42 WASP #b 42 thermohaline circulation 42 photochemical smog 42 ecological disasters 42 polluting groundwater 42 retreating glaciers 42 AACR publishes five 42 emitting carbon dioxide 42 Cosmic rays 42 earths 42 Therein lurks 42 endocrine disruption 42 phytoplankton blooms 42 glacial melting 42 gigatons 41 Eric Rignot 41 Acidification 41 extremophiles 41 upper troposphere 41 severe droughts 41 carbon dioxide concentrations 41 James Lovelock 41 While Ambrilia anticipates 41 Ice Ages 41 monoxide 41 atmospheric methane 41 hydrological cycle 41 biologically validated novel 41 hydrologic cycle 41 geomagnetic storm 41 floods droughts 41 Soil erosion 41 gravitational radiation 41 methane hydrates