Related by context. Frequent words. (Click for all words.) 63 Rahmstorf 56 Ken Caldeira 55 Rignot 55 Eric Rignot 55 ocean acidity 54 Lomborg 54 Limnology 53 Serreze 53 gigatonnes 53 Niels Bohr Institute 52 Crutzen 52 Atmospheric Chemistry 52 Bjorn Lomborg 51 Amstrup 51 NCAR scientist 51 paleoclimatologist 51 Roger Pielke Jr. 51 Richard Lindzen 50 carbon dioxide concentrations 50 Finnish Meteorological 50 Geoengineering 49 atmospheric chemist 49 atmospheric concentrations 49 Stephan Singer 49 Nielsen Gammon 49 species extinctions 49 Leibniz Institute 49 glacial melt 49 Ecofys 49 atmospheric physicist 49 Hohenheim 48 Werner Heisenberg 48 atmospheric CO2 48 atmospheric chemistry 48 CO2 concentrations 48 Ocean acidification 48 Pielke 48 ocean acidification 48 atmospheric carbon dioxide 48 anthropogenic climate 48 William Nordhaus 48 iron fertilization 48 Lindzen 48 greenhouse warming 48 gigatons 48 microbial ecology 48 James Lovelock 48 Johann Wolfgang Goethe 48 ozone depletion 47 Jonathan Overpeck 47 Nature Geoscience 47 Universität 47 atmospheric CO 47 climate modelers 47 journal Geophysical Research 47 ocean fertilization 47 climate change 47 atmospheric methane 47 udesk@unc.edu 47 oceanic sciences 47 greenhouse gas concentrations 47 global warming 47 Climatic Change 47 O'Dor 47 preindustrial levels 47 Alfred Wegener Institute 47 Mark Serreze 47 Paul Crutzen 47 Development IIED 47 atmospheric CO2 concentrations 47 biogeochemistry 47 worsening droughts 47 Boris Worm 47 Helmholtz Zentrum München 46 Willerslev 46 Plimer 46 Climate Change IPCC 46 glaciology 46 Landsea 46 Michel Jarraud 46 climatology 46 Biogeography 46 anthropogenic 46 Ecology Letters 46 ETH Zurich 46 Guldberg 46 Jülich 46 biological oceanography 46 geoengineering 46 Helmholtz Centre 46 Robock 46 Palumbi 46 icecaps 45 glacial melting 45 Vrije Universiteit 45 CIRES 45 Legates 45 Greenland glaciers 45 Planetary Physics 45 Copenhagen Consensus 45 nitrogen fixation