Related by context. Frequent words. (Click for all words.) 54 Knauth 53 Bottke 52 NCAR scientist 51 Dessler 51 Zachos 50 Smol 50 Barnosky 50 Robock 50 paleoclimatologist 50 atmospheric chemist 49 atmospheric physicist 49 Steig 49 geoscientist 49 Mayewski 48 Eric Rignot 48 Lunine 48 forest ecologist 48 Wigler 48 Stavins 47 CfA 47 Balling 47 USGS geologist 47 Tomasko 47 Rignot 47 Goodge 47 geochemists 46 Amstrup 46 Tinetti 46 Orlow 46 Poinar 46 geochemist 46 Astrophysicist 46 planetary geologist 46 Mufson 46 Geschwind 46 Snowball Earth 46 Coauthor 46 Nepstad 46 Kaspari 46 Cassini scientist 45 biophysicist 45 Getzenberg 45 biological oceanographer 45 Legates 45 Melosh 45 Stentz 45 Kasting 45 Zoback 45 Pielke 45 Lindzen 45 Scambos 45 Serreze 45 Ausubel 44 Poppel 44 Bonnicksen 44 Chory 44 glaciation 44 Derocher 44 Biogeography 44 Overpeck 44 University Lamont Doherty 44 HHMI investigator 44 Dry Valleys 44 geomorphology 44 Plantinga 44 Fagre 44 geographer 44 Aufderheide 44 aquatic ecologist 43 Ken Caldeira 43 D' Aleo 43 paleoanthropologist 43 climate modelers 43 Jehn 43 hydrologic cycle 43 plant physiologist 43 planetary scientist 43 Broecker 43 Sinervo 43 Diffenbaugh 43 Durda 43 Zoologist 43 paleoclimate 43 USGS scientist 43 Kraus 43 biogeography 43 Koslow 43 Climatologist 43 A'Hearn 42 glaciology 42 Zwiebel 42 Landsea 42 Nature Geoscience 42 Krauss 42 Orgel 42 Schoenecker 42 Nielsen Gammon 42 Swetnam 42 Takle 42 journal Geology 42 Widom