Related by context. Frequent words. (Click for all words.) 39 boreal forests 38 mountain glaciers 38 drylands 38 ecology 38 ecosystems 38 climate 37 warmer drier 36 hotter summers 34 frequent droughts 34 climate change 34 climatological 34 Worldwatch 33 temperate 33 climatic conditions 33 Unep 33 climatology 32 arid regions 32 ecological degradation 32 ecological 32 tropics 32 climates 32 terrestrial ecosystems 32 oceans 32 forest ecologist 32 arid lands 32 Serreze 32 habitats 32 climatically 32 Global warming 31 subarctic 31 colder winters 31 forest ecosystems 31 global warming 31 aridity 31 micro climates 31 Pielke 31 mid latitudes 31 biodiversity 30 species extinctions 30 glacial melt 30 warmer winters 30 warmer temperatures 30 biosphere 30 arctic 30 marine ecosystems 30 permafrost 30 biome 30 ocean acidification 30 desertification 29 warmer 29 Polar Regions 29 Ocean acidification 29 Climatic 29 Michel Jarraud 29 glacier melt 29 tropical forest 29 coastal ecosystems 29 Temperate 29 climatologist 29 microclimates 29 Pacific Decadal Oscillation 28 Bjorn Lomborg 28 anthropogenic climate 28 climatic 28 polar caps 28 microclimate 28 Warming 28 icecaps 28 ocean acidity 28 atmospheric circulation 28 tropical forests 28 ocean ecosystems 28 atmospheric methane 28 storminess 28 semi arid 28 prolonged droughts 28 hydrological cycle 27 Climate 27 El Nino warming 27 Pachauri 27 Lomborg 27 atmospheric chemistry 27 environment 27 Arctic 27 soils 27 greenhouse 26 warming 26 cold climates 26 shrinking glaciers 26 atmospheric sciences 26 westerlies 26 polar regions 26 climate modelers 26 climatologists 26 Global Warming 25 Climatologists 25 CLIMATE 25 Geoengineering 25 Sucharita Mulpuru 25 decarbonisation 25 Desertification