Related by context. Frequent words. (Click for all words.) 56 Jonathan Overpeck 56 Rignot 54 atmospheric methane 53 journal Geophysical Research 52 El Nino warming 52 El Niños 52 manmade greenhouse gases 51 species extinctions 51 NCAR scientist 51 atmospheric sciences 51 Robock 51 ocean acidity 51 drier summers 51 Diffenbaugh 50 hotter summers 50 atmospheric circulation 50 Serreze 49 Finnish Meteorological 49 atmospheric chemistry 49 phytoplankton blooms 49 Phil Klotzbach 49 Ocean acidification 48 hydrological cycle 48 solar irradiance 48 upwellings 48 glacial melt 48 heatwaves 48 Mark Serreze 48 frequent droughts 48 worsening droughts 47 Ken Caldeira 47 subtropical regions 47 Michel Jarraud 47 ultra violet radiation 47 terrestrial ecosystems 47 journal Epidemiology 47 El Ninos 47 prolonged droughts 47 mid latitudes 47 degrees Fahrenheit warmer 46 journal Nature Geoscience 46 atmospheric carbon dioxide 46 ENSO 46 La Nina phenomenon 46 atmospheric scientist 46 temperate zones 46 atmospheric CO 46 stratospheric ozone 46 La Nina cooling 46 Worldwatch 46 glacial melting 46 WASP #b 46 greenhouse gas concentrations 46 mass extinctions 46 Lunine 45 atmospheric chemist 45 CO2 concentrations 45 Nature Geoscience 45 droughts 45 IWMI 45 Pacific Decadal Oscillation 45 poleward 45 Crutzen 45 polar vortex 45 Takle 45 aerosol particles 45 atmospheric concentrations 45 Climatology 45 equatorial Pacific Ocean 45 tropical cyclones 45 temperate regions 44 Greenland glaciers 44 Niels Bohr Institute 44 sunspot cycle 44 sunspot activity 44 Meteorological Bureau 44 geosciences professor 44 Agricultural Economics 44 IFPRI 44 crop yields 44 greenhouse warming 44 Climate Prediction 44 tropospheric 44 Biogeography 44 Climate Impact Assessment 44 climate modelers 44 glaciers melt 44 science journal Nature 44 Peanut allergy 44 glacial retreat 44 nitrogen trifluoride 44 Philip Klotzbach 44 World Meteorological Organisation 44 Amstrup 44 ultraviolet UV radiation 44 equatorial regions 44 evapotranspiration 44 mesosphere 44 floods droughts 44 ozone concentrations 44 Geophysical Research