Related by context. Frequent words. (Click for all words.) 62 Rahmstorf 62 Rignot 58 Eric Rignot 52 Robock 52 Jonathan Overpeck 51 Pielke 50 deglaciation 50 atmospheric CO 50 glacial melting 50 Bilham 49 Crutzen 49 geoid 49 Longini 49 Willerslev 48 glacial retreat 48 ocean acidity 48 Sinervo 48 Landsea 48 interglacial 48 Serreze 48 Zoback 48 atmospheric CO2 concentrations 47 Lindzen 47 Zachos 47 Meehl 47 supercomputer simulations 47 Philosophical Transactions 47 Nature Geoscience 47 Lunine 47 Plimer 46 Guldberg 46 undersea volcanoes 46 atmospheric concentrations 46 Greenland glaciers 46 Hoerling 46 General Michel Jarraud 46 upwellings 46 Climate Impact Assessment 46 glacial melt 46 atmospheric methane 46 mid latitudes 46 extinctions 46 gigatonnes 46 Quaternary 46 foraminifera 46 Millennium Ecosystem Assessment 46 glaciations 46 Raupach 46 Snowball Earth 46 biogeochemical 46 Amstrup 46 interglacial period 46 journal Geophysical Research 45 Udry 45 carbon dioxide concentrations 45 Scambos 45 IAASTD 45 Biogeography 45 species extinctions 45 bathymetry 45 CIRES 45 CO2 concentrations 45 Pachauri 45 atmospheric CO2 45 O'Dor 45 Atmospheric Chemistry 45 Revkin 45 Greenland ice 45 NCAR scientist 45 Mark Serreze 45 Cenozoic 45 Ken Caldeira 45 worsening droughts 45 Dry Valleys 45 lithosphere 45 D' Aleo 45 isotope ratios 45 paleoclimatologist 44 Claude Levi Strauss 44 journal Nature Geoscience 44 Niyogi 44 greenhouse gas concentrations 44 marine sediments 44 tropopause 44 WEO 44 geomorphology 44 Chicxulub impact 44 mesosphere 44 WMO 44 SSTs 44 Archbishop Migliore 44 AR4 44 ocean acidification 44 glacier melt 44 Alpine glaciers 44 NSIDC 44 spatial scales 44 ALH# 44 Jarraud 44 Tinetti 44 greenhouse warming