Related by context. Frequent words. (Click for all words.) 63 species extinctions 62 glacial melting 60 hydrological cycle 60 glacier melt 60 glacial melt 58 hotter summers 57 mountain glaciers 57 frequent droughts 56 glaciers melt 56 prolonged droughts 56 shrinking glaciers 55 El Nino warming 55 icecaps 54 Warming temperatures 54 storminess 54 melting glaciers 54 glaciers melting 53 floods droughts 53 solar irradiance 53 ecological degradation 53 retreating glaciers 53 Polar Regions 53 ocean acidity 52 greenhouse warming 52 amphibian populations 52 equatorial Pacific Ocean 52 glaciation 52 El Nino phenomenon 52 icecap 52 atmospheric circulation 52 subtropical regions 51 deforestation 51 Little Ice Age 51 Qinghai Tibet Plateau 51 thawing permafrost 51 Pacific Decadal Oscillation 50 glaciers 50 Droughts 50 warmer winters 50 hydrothermal activity 50 Tibetan Plateau 50 climate modelers 50 glacial lakes 50 milder winters 50 environmental degradation 50 stratospheric ozone 50 El Niño phenomenon 50 poleward 49 La Nina pattern 49 heatwaves 49 melting snowpack 49 El Niño 49 desertification 49 driest continent 49 Antarctic ozone 49 Global warming 49 interglacial period 49 coral bleaching 49 atmospheric methane 49 warmer temperatures 49 volcanism 49 acidification 49 Severe drought 49 Climatic 49 subtropics 49 volcanic activity 49 glacial ice 49 Melting ice 49 global warming 49 temperate regions 48 terrestrial ecosystems 48 freshwater ecosystems 48 climate change 48 aridity 48 melting glacier 48 Medieval Warm Period 48 Volcanic eruptions 48 greenhouse gas concentrations 48 extinctions 48 droughts 48 lake sediments 48 mid latitudes 48 El Ninos 48 climatological 48 snow melt 48 forest ecosystems 47 Serreze 47 urbanization 47 anthropogenic climate 47 melting permafrost 47 arid regions 47 ozone depletion 47 Ocean acidification 47 streamflow 47 Warmer temperatures 47 anthropogenic 47 river deltas 47 biodiversity hotspots 47 ecosystems 47 Warm temperatures 47 elephant poaching