Related by context. Frequent words. (Click for all words.) 56 Nielsen Gammon 54 Harry Hillaker 54 severe droughts 54 droughts 54 frequent droughts 53 Rignot 53 Eric Rignot 52 Roger Pielke Jr. 51 worsening droughts 51 Dr. Arnold Monto 51 climate modelers 50 floods droughts 50 periodic droughts 50 Darrel Good 50 El Nino La Nina 50 wetter winters 50 prolonged droughts 50 El Niños 50 drier summers 49 hotter drier 49 mountain snowpacks 49 Jonathan Overpeck 49 species extinctions 49 El Nino periodic 49 Scott Shalaway 48 hotter summers 48 agroecology 48 climatologists 48 El Nino warming 48 Daryl Copeland Adjunct 48 Serreze 48 colder winters 48 Mark Jaccard 48 Pericak Vance 48 Diffenbaugh 48 cooler wetter 47 upwellings 47 Guldberg 47 Bruce Jakosky 47 Pacific Decadal Oscillation 47 paleoclimatologist 47 Robock 47 climatology 47 manmade greenhouse gases 47 drought tolerant crops 47 Unseasonably warm 47 Climatologists 47 temperate zones 47 biogeochemist 47 CIRES 47 Lamont Doherty 47 warmer wetter 46 microbial ecology 46 Climatology Office 46 warmer winters 46 FAPRI 46 Extension agronomist 46 Climatologist 46 Priscu 46 Tropical Meteorology Project 46 crop yields 46 Plant Physiology 46 limnology 46 Mitloehner 46 ocean acidity 46 Salim Yusuf 46 planetary warming 46 NCAR scientist 46 El Nio 46 Droughts 46 Phil Klotzbach 46 Biogeochemistry 46 David Stooksbury 46 Ted Scambos 46 herbicide resistant weeds 46 soil salinity 46 multi decadal 46 Pielke 45 Joachim von Braun 45 Ken Caldeira 45 journal Geophysical Research 45 greenhouse warming 45 Warming temperatures 45 Elizabeth Kolbert 45 climate modeler 45 La Ninas 45 El Ninos 45 Dr. Steffie Woolhandler 45 harmful algal blooms 45 Genetic modification 45 glacial melt 45 Sarah Bissonette 45 Ravussin 45 bee pollination 45 Walt Meier 45 Rita Colwell 45 cooler wetter weather 45 El Nino Southern Oscillation 45 oceanic sciences 45 Oklahoma Climatological Survey 45 Research Institute IFPRI