Related by context. Frequent words. (Click for all words.) 52 Eric Rignot 50 Phytoplankton 50 CIRES 48 protists 48 terrestrial ecosystems 48 Biogeography 48 stratospheric ozone 48 atmospheric ozone 48 hydrologic cycle 47 extrasolar 47 CO2 concentrations 47 atmospheric methane 47 Ken Caldeira 47 Development IIED 47 biogeochemistry 47 Rignot 47 HHMI investigator 47 NCAR scientist 47 Diatoms 46 Xiang Zhang 46 atmospheric carbon dioxide 46 Postdoctoral Research 46 diatoms 46 Roger Tsien 46 Dumesic 46 journal Geophysical Research 46 isoprene 46 atmospheric chemistry 46 atmospheric CO2 concentration 45 temperate forests 45 symbionts 45 atmospheric CO2 concentrations 45 Ecological Analysis 45 atmospheric circulation 45 UA Lunar 45 Ecology Evolution 45 photosynthetic bacteria 45 carbon dioxide concentrations 45 journal Climatic Change 45 biogeochemist 45 Virginia Bioinformatics 45 methanogens 45 Niels Bohr Institute 45 Carnegie Institution 45 nitrogen trifluoride 44 coevolution 44 atmospheric CO 44 ultracold atoms 44 ecosystems 44 Cyanobacteria 44 microflora 44 polyamines 44 subtropical regions 44 Finnish Meteorological 44 tropospheric ozone 44 atmospheric CO2 44 biogeography 44 symbiotic bacteria 44 aerosol particles 44 JILA 44 nitrous oxide emissions 44 zooxanthellae 44 reactive nitrogen 44 Atmospheric Chemistry 43 Guldberg 43 Particle Astrophysics 43 Jonathan Overpeck 43 Sara Seager 43 Ocean Observing 43 ocean ecosystems 43 zooplankton 43 oxygen isotope 43 biosphere 43 biogeochemical 43 Kavli Institute 43 Sinervo 43 Geochemistry 43 Pacific Decadal Oscillation 42 microbial ecology 42 Epel 42 forest ecosystems 42 atmospheric nitrogen 42 temperate zones 42 forcings 42 Nature Geoscience 42 inorganic mercury 42 Planetary Physics 42 hydrological cycle 42 absorbing carbon dioxide 42 oceans 42 photosynthetic organisms 42 geochemists 42 phytoplankton 42 GCEP 42 cryosphere 42 phytoplankton blooms 42 photosynthetic 42 greenhouse warming 42 Microorganisms 42 clathrates 42 mountain glaciers