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(Click for frequent words.) 68 forcings 67 solar irradiance 65 radiative 63 sulfate aerosol 63 cosmic ray flux 63 atmospheric CO 63 ppmv 63 greenhouse warming 62 anthropogenic greenhouse gas 62 anthropogenic 62 Wm -2 62 anthropogenic greenhouse gases 62 interannual variability 62 anthropogenic emissions 62 aerosol concentrations 61 sulfate aerosols 61 atmospheric CO2 61 atmospheric CO2 concentration 61 longwave radiation 61 albedo 61 climate forcings 61 thermal inertia 61 atmospheric aerosols 61 anthropogenically 60 carbon dioxide concentrations 60 volcanic aerosols 60 atmospheric CO2 levels 60 glacial interglacial 60 aerosol particles 60 sulphate aerosols 60 tropospheric ozone 60 Milankovitch cycles 59 anthropogenic carbon dioxide 59 tropospheric 59 axial tilt 59 atmospheric methane 59 GHG concentrations 58 GtC 58 anthropogenic aerosols 58 solar minima 58 Arctic oscillation 58 anthropogenic CO2 58 Rossby waves 58 glacial interglacial cycles 58 Carbon dioxide CO2 58 anthropogenic CO2 emissions 58 atmospheric circulation 58 cosmic ray intensity 58 sunspot activity 57 phytoplankton biomass 57 surface temperatures SSTs 57 total solar irradiance 57 climatic variability 57 isotope fractionation 57 warmings 57 atmospheric carbon dioxide 57 irradiance 57 aerosols 57 Anthropogenic 56 atmospheric concentrations 56 anthropogenic warming 56 ° C warmer 56 upper troposphere 56 Global Warming Potential GWP 56 SST anomalies 56 advection 56 insolation 56 Southern Oscillation 56 galaxy redshift 56 troposphere 56 #.#oC [001] 56 mT 56 W/m2 55 mid latitudes 55 sunspot cycle 55 hydrological cycle 55 methane CH4 55 perturbation 55 Rayleigh scattering 55 stratospheric ozone 55 SSTs 55 deglaciation 55 terrestrial biosphere 55 stratospheric ozone depletion 55 resonance frequency 55 Palaeocene Eocene Thermal Maximum 55 radiative transfer 55 2oC 55 fluxes 55 GHGs 55 dipole moment 55 helium nuclei 55 ozone depletion 55 multi decadal 55 decadal 55 teleconnections 55 oceanic circulation 55 hydroxyl radical 55 ppm CO2 55 CO2 concentrations 54 thermal conductance 54 interannual 54 tropopause 54 #.#C above 54 oC 54 anthropogenic CO 54 ozone O3 54 ENSO cycle 54 midlatitudes 54 Saturn auroras 54 X ray pulses 54 water vapor 54 galactic cosmic rays 54 hydrologic cycle 54 greenhouse gas concentrations 54 GZK cutoff 54 methyl chloroform 54 Earth rotational axis 54 Indian Ocean Dipole 54 phonon 54 periodicities 54 isoprene 54 CO ² 54 carbon dioxide CO ² 54 auroral activity 54 El Nino Southern Oscillation 54 Younger Dryas 54 ppbv 53 multidecadal 53 anomalously warm 53 isotherms 53 metallicity 53 El Niños 53 Albedo 53 velocity dispersion 53 Atlantic Multidecadal Oscillation AMO 53 τ 53 interglacial periods 53 abundances 53 oxidized mercury 53 Coulomb blockade 53 blackbody 53 photochemical reactions 53 X ray emission 53 W boson 53 anthropogenic climate 53 η 53 Keeling Curve 53 Little Ice Age 53 atmospheric chemistry 53 gravitational radiation 53 nonlinearity 52 perturbation theory 52 neutrino mass 52 fermion 52 tropical latitudes 52 Nernst 52 dimensionless 52 magnon 52 glacial cycles 52 perturbations 52 wavefunction 52 nitrous oxide N2O 52 geoid 52 sunspot cycles 52 X ray binaries 52 N2O emissions 52 enthalpy 52 satellite altimetry 52 θ 52 gigatonnes 52 teragrams 52 cm -1 52 biogeochemical cycles 52 geomagnetic activity 52 nonlinearities 52 climate modellers 52 Kharecha 52 climatic variations 52 Eemian 52 logarithmic scale 52 sulphate particles 52 UV photons 52 #.#C [004] 52 isotope ratios 52 amplifying feedbacks 52 shear modulus 52 photoionization 52 chlorine peroxide 52 atmospheric moisture 52 gravitational acceleration 52 reionization 52 Earth albedo 51 mesospheric 51 marine phytoplankton 51 magnetic substorms 51 electromagnetic flux 51 Doppler shifts 51 oxygen isotope 51 terrestrial ecosystems 51 reactive nitrogen 51 Greenhouse gasses 51 photon energies 51 luminous flux 51 CO ² emissions 51 CO2 eq 51 B meson 51 Antarctic stratosphere 51 manmade CO2 emissions 51 #.#C #.#C 51 carbondioxide emissions 51 greenhouse gases GHGs 51 vibrational modes 51 δ 51 Carbon Dioxide CO2 51 Svensmark 51 solar nebula 51 meridional flow 51 dynamical evolution 51 Yarkovsky effect 51 Doppler shift 51 EROEI 51 vibrational frequency 51 photolysis 51 biogenic 51 hydrosphere 51 oscillation 51 Behrenfeld 51 homochirality 51 ghg emissions 51 N2O 51 interglacial period 51 isotopic 51 diffusive 51 geological timescales 51 ocean acidity 51 Medieval Warming Period 51 baryonic 51 sodium atoms 51 co2 51 biogenic emissions 51 Earth biosphere 51 Atmospheric CO2 51 Arctic Oscillation 51 strange quark 51 warm interglacial 51 multifactor productivity 51 isotopic composition 50 cryosphere 50 exosphere 50 degree Centigrade 50 Velicogna 50 CO -2 emissions 50 atmospheric 50 Pacific Decadal Oscillation 50 #.#C warmer 50 tropospheric temperature 50 springtime ozone 50 Raman scattering 50 ULIRGs 50 polar latitudes 50 absorption spectra 50 manmade greenhouse gas 50 terawatts 50 ozone layer depletion 50 chlorophyll concentrations 50 kelvin 50 Ozone depletion 50 dynamical 50 #ppm CO2 50 CMB radiation 50 meteoritic material 50 multiplicative 50 yr -1 50 NOX emissions 50 coccolithophores 50 Co2 50 cloud condensation nuclei 50 inhomogeneities 50 magnetic dipole 50 amplitudes 50 chondrites 50 poleward 50 Leonid shower 50 Last Glacial Maximum 50 Auger recombination 50 GJ#b 50 Southern Oscillation Index 50 gaseous pollutants 50 filamentary structure 50 coastal upwelling 50 CO2 CH4 50 thermosphere 50 carbonate minerals 50 CO2 50 nitrogen deposition 50 GHG emitted 50 vorticity 50 WASP #b 50 Type Ia supernova 50 Rahmstorf 50 CaCO 3 50 tropical troposphere 50 ENSO 50 CMB photons 50 hPa 50 Paleocene Eocene Thermal Maximum 50 Pacific Decadal Oscillation PDO 50 Milankovitch 50 stoichiometry 50 decoherence 50 ARPES 49 greenhouse gasses 49 atmospheric CO2 concentrations 49 noble gases 49 GJ #b [002] 49 Nitrogen dioxide 49 baryon 49 thermohaline circulation 49 co2 emissions 49 Reference Scenario 49 SO2 emission 49 NASA GISS 49 atmospheric oceanic 49 absorption coefficient 49 polaritons 49 runaway greenhouse 49 luminosities 49 fluorescence intensity 49 -# degrees Fahrenheit [002] 49 GeV 49 CO2 fluxes 49 El Nino periodic 49 Pacific decadal oscillation 49 ε 49 Mpc 49 baryonic matter 49 Zeebe 49 isotopic compositions 49 sequestering CO2 49 kT 49 nitrous oxides 49 Le Quéré 49 equilibration 49 CO2 equivalents 49 cm -3 49 decadal variability 49 coronal loop 49 orbital eccentricity 49 Gigatonnes 49 orbital angular momentum 49 temporal variability 49 El Niño Southern Oscillation 49 metabolite concentrations 49 oscillations 49 μV 49 GHG emission 49 cometary material 49 Madden Julian Oscillation 49 skewness 49 lowermost mantle 49 photoemission 49 FEV ^ sub 49 nucleosynthesis 49 methanogenesis 49 Friis Christensen 49 nitrogen oxide NOX 49 earthshine 49 matter antimatter asymmetry 49 global weirding 49 Great Oxidation Event 49 North Atlantic Oscillation 49 Mercury exosphere 49 carbon isotopes 49 impactors 49 IPCC AR4 49 La Ninas 49 climate modelers 49 radioactive decay 49 Cancri e 49 polar regions 49 elemental abundances 49 observable phenomena 49 nitrous oxide emissions 49 sorption 49 kcal mol 49 weakly interacting 49 Medieval Warm Period MWP 49 σ 49 thermal gradients 49 atmospheric circulations 49 adiabatic 49 osmium 49 Ordovician extinction 49 cirrus clouds 49 galactic disk 49 NASA Zwally 49 photocurrent 49 Kelvins 49 unpolarized 49 ultraviolet radiation emitted 49 ozone depleting gases 49 CAIs 49 SOx emissions 49 infra red radiation 49 diffusion coefficient 49 Greenhouse gases 49 sunspot numbers 49 hydroxyl radicals 49 equatorial bulge 49 weak gravitational lensing 49 seawater pH 49 visible wavelengths 49 Radiometric dating 48 sulfur dioxide SO2 48 quasiparticle 48 primitive meteorites 48 GHG reductions 48 gravitational redshift 48 substorm 48 antineutrinos 48 lipoprotein cholesterol 48 ionise 48 spectroscopic technique 48 mesosphere 48 anisotropy 48 greenhouse gases 48 crustal thickness 48 Bose Einstein condensation 48 phytoplankton 48 polar vortex 48 microvolts 48 atmospheric pollutants 48 dipolar 48 cosmic ray 48 electron density 48 attosecond 48 glacial melting 48 corona discharge 48 annealing temperature 48 Great Conveyor Belt 48 photochemistry 48 Permian extinction 48 quantum oscillations 48 spectroscopic analysis 48 excitations 48 Tropical deforestation 48 potent greenhouse gas 48 La Nià ± 48 bosonic 48 gigatons 48 oxygen isotopes 48 temperature gradients 48 deep convective clouds 48 thermal gradient 48 Ultraviolet radiation 48 obliquity 48 Sulphur dioxide 48 Stratospheric ozone 48 MeV 48 Kuiper belt objects 48 albedo feedback 48 kurtosis 48 observable universe 48 cm -2 48 cryovolcanism 48 glaciations 48 ozone particulate matter 48 plasmon 48 Corot 9b 48 helicity 48 magnetospheric 48 infrared wavelength 48 quasiparticles 48 fundamental constants 48 mammal extinctions 48 benthic foraminifera 48 Greenhouse Gases 48 sulfur isotope 48 carbonate ion 48 spatial variability 48 chirality 48 UV wavelengths 48 downwelling 48 El Nino warming 48 stratospheric ozone chemistry 48 -# º C [002] 48 electronic excitations 48 manmade greenhouse gases 48 perfluorocarbons 48 GHGs emitted 48 #.#C #.#F [003] 48 sun irradiance 48 interglacials 48 biospheric 48 ionisation 48 ρ 48 interferometers 48 interglacial 48 EROI 48 meteorite impacts 48 fermionic 48 minima 48 Medieval Warm Period 48 ENSO El Nino 48 Mott insulator 48 electron electron 48 variability 48 blazar 48 solar corona 48 biogeochemical processes 48 fasting plasma insulin 48 GHG emissions 48 Fomalhaut b 48 GCMs 48 Cosmic Microwave Background 48 landfalling hurricanes 48 GOSAT 48 Medieval Warming 48 carbon dioxide 48 intracellular pH 48 phytoplankton populations 48 CoRoT 9b 48 post perovskite 48 photocatalysis 48 isotope ratio 48 isotherm 48 Ice Ages 48 endothermic 48 YORP effect 48 Co2 emissions 48 polariton 48 isotopic ratios 48 proton proton 48 electron neutrinos 48 magnetic polarity 48 photoelectron 48 equatorial Pacific Ocean 48 planetary orbits 48 mid Pliocene 48 Cosmic Microwave Background CMB 48 El Nio 48 atmospheric turbulence 47 Polar Regions 47 atmospheric ozone 47 gamma ray emission 47 chlorine monoxide 47 stochasticity 47 highly collimated 47 greenhouse gases GHG 47 IR wavelengths 47 Otto Bliesner 47 hydrogens 47 albedo reflectivity 47 carbondioxide 47 luminous efficacy 47 harmonic currents 47 Svante Arrhenius 47 2ppm 47 El Ninos 47 fluid viscosity 47 ionized particles 47 cuprate superconductors 47 deplete ozone 47 Halifax Weather Overcast 47 usual BAU 47 meV 47 Carina constellation 47 scale invariance 47 cyanogen poisonous gas 47 mantle convection 47 silicate dust 47 WS CRDS 47 optical wavelengths 47 geosphere 47 nitrogen trifluoride 47 Nitrogen oxides 47 biogeochemical cycle 47 volcanic plumes 47 tidally 47 abiogenesis 47 reflectivity 47 cosmic ray particles 47 Cepheids 47 Hubble Constant 47 interstellar clouds 47 nitrous oxides NOx 47 X ray wavelengths 47 geomagnetic disturbances 47 lunar perigee 47 ab initio calculations 47 Canadell 47 sulphate aerosol 47 icesheets 47 Ocean acidification 47 GHG 47 Particulate emissions 47 intrinsic brightness 47 phytoplankton blooms 47 Polar Vortex 47 observationally 47 vertical wind shear 47 cosmic ray protons 47 C4 grasses 47 Le Quere 47 ultra violet radiation 47 Greenhouse Effect 47 high redshift galaxies 47 Einstein cosmological constant 47 2 MeV electron 47 volcanism 47 sunspot 47 backscattered 47 Vertical wind shear 47 inhomogeneous 47 altimetry 47 GCRs 47 cantilever deflection 47 Methane CH4 47 nuclides 47 El Nino La Nina 47 ozone depleting compounds 47 magnetization 47 superluminal 47 dielectric permittivity 47 martian meteorites 47 dustier stormier atmosphere 47 stomatal conductance 47 tCO2e 47 Ken Caldeira 47 redshifts 47 sulfur aerosols 47 magnetar 47 graphene electrons 47 spin excitations 47 nonequilibrium 47 BP Piscium 47 radial velocity method 47 nonzero 47 paleoclimatic 47 Nitrogen oxide 47 GHG emission reductions 47 variabilities 47 emmisions 47 emmission 47 cosmological distances 47 RfD 47 mantle plumes 47 anticyclones 47 decarbonization 47 MJO 47 SO2 emissions 47 particle acceleration 47 auroral emissions 47 emittance 47 exoplanetary systems 47 electron proton 47 carbon dioxide nitrous oxide 47 inorganic mercury 47 chromosphere 47 nitrogen oxides carbon monoxide 47 2C #.#F 47 extragalactic 47 picosecond 47 infrared radiation 47 extinctions 47 atmospheric CO2 enrichment 47 earths surface 47 Sr Ca 47 Eq. 47 gaseous methane 47 ^ ^ sup 46 Min Temp #.# 46 hydrogen ions 46 solvation 46 Fig. 3b 46 Lyman alpha 46 ultraviolet wavelengths 46 geological epoch 46 polar mesospheric clouds 46 diurnal cycle 46 geosynchronous orbit reached 46 baryons 46 oxygen isotope ratios 46 geomagnetic field 46 ILUC 46 gravitational interactions 46 Late Ordovician 46 Rignot 46 photochemical smog 46 subatomic scale 46 degrees Fahrenheit warmer 46 cow enteric 46 specular reflection 46 upper tropospheric 46 burning fossil fuels 46 latitudes 46 strange quarks 46 warmists 46 photosynthetic organisms 46 smog forming pollutants 46 stellar occultations 46 ejecta 46 Muons 46 regression coefficients 46 logistic regression model 46 ferromagnet 46 Ecological Footprint 46 thermodynamic equilibrium 46 nightglow 46 warmer wetter winters 46 Caspar Ammann 46 Snowball Earth 46 electron flux 46 emission nebula 46 Mercury magnetosphere 46 glacial melt 46 Ulysses spacecraft 46 AGW theory 46 situ measurements 46 diurnal temperature 46 cirrus 46 pn junction 46 gigatonne 46 midlatitude 46 Late Heavy Bombardment 46 Min temp 46 nitrogen oxide NOx emissions 46 diurnal variation 46 hyperfine 46 supercurrent 46 cesium atom 46 Elevated CO2 46 quantized 46 momenta 46 ionised 46 relativistic electrons 46 GISS analysis 46 CO2 emission reductions 46 interindividual variability 46 Nitrogen NOx 46 electrons protons 46 nucleobases 46 Archean Expansion 46 decadal scale 46 climate alarmists 46 salinities 46 dissaving 46 helium atoms 46 excitation energies 46 relativistic protons 46 nT 46 Boltzmann constant 46 Surface Temperature 46 convection currents 46 temperature coefficients 46 Dirac fermions 46 airglow 46 SeaWiFS 46 crustal rocks 46 geodynamics 46 thermally induced 46 relativistic 46 sectoral crediting 46 expiratory flow 46 IPCC Intergovernmental Panel 46 sun ultraviolet radiation 46 planetary warming 46 oxygenic photosynthesis 46 spatial scales 46 cyclicity 46 phytoplankton bloom 46 shorter wavelengths 46 La Niña pattern 46 covariance 46 TrES 46 supercontinuum generation 46 sunspots 46 rotational axis 46 meteoritic 46 mass extinctions 46 alpha particles 46 glaciological 46 kilopascals 46 nucleon 46 spherically symmetric 46 infrared wavelengths 46 thermodynamic 46 1ppm 46 ultraviolet radiation 46 hurricane landfalls 46 Alternative splicing 46 aldehydes 46 boreal ecosystems 46 Arctic Oscillation AO 46 electrical conductance 46 AGGI 46 Carbon dioxide emissions 46 carbonate globules 46 reaction kinetics 46 renormalization 46 orbital inclination 46 pyroxene 46 KT boundary 46 biocapacity 46 cm ^ sup 46 Earth axial tilt 46 colder drier 46 harmful gasses 46 silicate rocks 46 Atlantic Multidecadal Oscillation 46 earths 46 manganese ferroalloys 46 Delta Cephei 46 backscattering 46 Warmer seas 46 drier summers 46 Saturn magnetosphere 46 emission reductions 46 El Nino Modoki 46 cosmological models 46 marine sediments 46 SCIAMACHY 46 boreal regions 46 seismic anisotropy 46 lithosphere 46 Ozone O3 46 sunlike stars 46 HCCI mode 46 neutralinos 46 solar insolation 46 Trichodesmium 46 auroral displays 46 exajoules 46 carbon emitted 46 Sulfur dioxide 46 redshift 46 Neanderthal extinction 46 CoRoT #b 46 Carbon dioxide 46 carbonaceous chondrites 46 stratospheric clouds 46 ionization 46 linewidth 46 type Ia supernova 46 Mott insulators 46 Anisotropy 46 ν 46 CarbonTracker 46 ionospheric 46 hoofed critters 46 temperature reconstructions 46 gigaton 46 copper oxide superconductors 46 Biogeochemistry 46 Å -1 46 AEO# reference case 46 asymptotic 46 circumstellar 46 GRBs 46 Nitrogen oxide emissions 46 ionosphere 46 SiO 46 Cow burps 46 chemical reactivity 46 supersaturation 46 hydrofluorocarbon HFC 46 nitrification 46 speckle pattern 46 mK 45 torsional oscillator 45 hydrocarbons HC 45 elastic moduli 45 sulfur isotopes 45 magma ocean 45 IR spectra 45 supercooling 45 extrasolar 45 jovian 45 NDVI 45 absorbance 45 sulfate particles 45 levelized cost 45 Atlantic thermohaline circulation 45 di GMP 45 Quaternary Period 45 CO2 emissions 45 RHESSI 45 tropospheric warming 45 CH4 45 auroral 45 prokaryotes 45 fermions 45 spiral nebulae 45 lognormal 45 conductance 45 Mtoe 45 gaseous emissions 45 Landsea 45 SO2 sulfur dioxide 45 quadrillion BTUs 45 methanogens 45 gaussian 45 vegetation greenness 45 de carbonization 45 protoplanet 45 Antarctic ozone 45 Maunder minimum 45 HD#b 45 SINFONI 45 Type Ia supernovas 45 hydrated electron 45 Michelson interferometer 45 blue supergiant 45 supersolid 45 BAU scenario 45 photic zone 45 hydrofluorocarbons HFCs perfluorocarbons PFCs 45 oxidant 45 geoneutrinos 45 JILA scientists 45 Crutzen 45 Fig. 1a 45 Laki eruption 45 hydrofluorocarbons HFCs 45 interfacial tension 45 carbonyl sulfide 45 -# Celsius [001] 45 electron scattering 45 Serreze 45 biogeochemical 45 Harvati 45 VHE gamma rays 45 AR4 45 preindustrial times 45 AMSR E 45 Phytoplankton 45 SMOS mission 45 thermal equilibrium 45 tailpipe gases 45 Appy Sluijs 45 radiometric measurements 45 nitrogen fixation 45 antiparticle 45 oVOCs 45 de carbonizing 45 atmospheric phenomena 45 invariant 45 Mg Ca 45 moon gravitational pull 45 GRB# 45 climatological 45 refractive index 45 HD #b [002] 45 Gliese #c 45 eclipsing binary 45 evapotranspiration 45 hadron 45 CoRoT 45 coincident composite index 45 polarimetry 45 nitrogen oxides NOx 45 supernova explosion 45 coriolis 45 Maunder Minimum 45 º Celsius 45 Permian Triassic 45 isotopic variations 45 refractive indices 45 ionospheric disturbances 45 HM Cancri 45 meridional 45 exciton 45 Arctic ozone depletion 45 neutron flux 45 extratropical cyclones 45 kyr 45 dewpoint temperature 45 glacial retreat 45 Hawking radiation 45 icesheet 45 occultations 45 Gamma ray burst 45 temperature gradient 45 methane clathrates 45 harmful ultraviolet UV radiation 45 helium ions 45 coefficients 45 fluorocarbons 45 Supplementary Table 45 ionic conductivity 45 osmotic pressure 45 CO2 emitted 45 planet magnetosphere 45 φ 45 biosphere 45 THz radiation 45 ecoregions 45 magnetic reconnection