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(Click for frequent words.) 64 Le Quéré 59 Corinne Le Quere 58 anthropogenic emissions 57 anthropogenic greenhouse gas 56 Pierre Friedlingstein 56 Dr Raupach 54 carbon dioxide concentrations 54 greenhouse warming 54 Aiguo Dai 53 Gerald Meehl 53 Corinne Le Quéré 53 atmospheric CO2 53 oceanic circulation 53 Hamish Pritchard 52 Raupach 52 Nielsen Gammon 52 Mike Raupach 52 Rahmstorf 52 Stefan Rahmstorf 51 Govindasamy Bala 51 anthropogenic greenhouse gases 51 Amstrup 51 Pielke 51 sulphate aerosols 51 CO2 concentrations 51 Janet Sawin 51 Peter Frumhoff 50 Caspar Ammann 50 greenhouse gas concentrations 50 Zeebe 50 atmospheric CO 50 Greenhouse gases 50 Schellnhuber 50 Arctic oscillation 50 ppmv 50 Roland Holst 49 aerosol concentrations 49 nitrous oxides 49 Rignot 49 Serreze 49 Romero Lankao 49 atmospheric CO2 concentration 49 nitrous oxide N2O 49 Rossby waves 49 atmospheric CO2 levels 49 Evenett 49 Luterbacher 49 Carbon dioxide emissions 49 greenhouse gases 49 GHG concentrations 49 burning fossil fuels 49 ° C warmer 49 Fred Prata 48 Canadell 48 NCAR scientist 48 Jevrejeva 48 Pacala 48 Hoegh Guldberg 48 ozone depletion 48 Kharecha 48 amphibian declines 48 ozone depleting gases 48 Behrenfeld 48 manmade CO2 emissions 48 Diarmid Campbell Lendrum 48 hotter summers 48 mid latitudes 48 gigatonne 48 Maskus 48 Nir Barzilai 48 Gerald Meehl senior 48 Sunding 48 Braathen 47 Schmittner 47 atmospheric concentrations 47 stratospheric ozone depletion 47 ocean acidity 47 Priyamvada Natarajan 47 Noah Diffenbaugh 47 2oC 47 gigatonnes 47 Hegerl 47 ozone depleting compounds 47 Betsy Weatherhead 47 midlatitudes 47 greenhouse gasses 47 Rijsberman 47 Kossin 47 S. Lindzen 47 thermohaline circulation 47 atmospheric carbon dioxide 47 radiative forcing 47 Nitrogen oxides 47 heat trapping greenhouse 47 Eunyoung Cho 47 Ozone depletion 47 oVOCs 47 atmospheric methane 47 Pep Canadell 47 Julia Slingo 47 Moetasim Ashfaq 47 glacial retreat 46 Jianjun Yin 46 NCAR scientist Gerald Meehl 46 Samuel Wickline 46 boreal ecosystems 46 atmospheric CO2 concentrations 46 Mojib Latif 46 thermal inertia 46 Nature Geoscience journal 46 Medieval Warm Period MWP 46 Eduardo Zorita 46 Majid Ezzati 46 species extinctions 46 oxidized mercury 46 Aleklett 46 aerosol particles 46 glacial melting 46 Bill Chameides 46 Claudia Tebaldi 46 Atlantic Multidecadal Oscillation AMO 46 heatwaves floods droughts 46 Greenhouse gasses 46 El Nino warming 46 Roman Hovorka 46 sulfate aerosols 46 Haymet 46 ozone layer depletion 46 anthropogenic carbon dioxide 46 Otto Bliesner 46 Bedritsky 46 Carbon dioxide CO2 46 Velicogna 46 Christopher Flavin 46 emitting greenhouse gases 46 Wingenter 46 Dukesherer 46 Tropical deforestation 46 permafrost thaw 45 Ocean acidification 45 Schladow 45 Neil Adger 45 hydrological cycle 45 potent greenhouse gas 45 Wallace Broecker 45 Pacific decadal oscillation 45 Chris Rapley 45 Abdalati 45 tropical deforestation 45 Shakhova 45 Galembeck 45 Bindschadler 45 Semiletov 45 Auffhammer 45 anomalously warm 45 Yun Qian 45 Blair Trewin 45 milder winters 45 AR Ravishankara 45 de carbonizing 45 author Jerica Berge 45 anthropogenic CO2 45 anthropogenic 45 Kim Carstensen WWF 45 manmade greenhouse gas 45 warmer wetter winters 45 Georgina Mace 45 Diffenbaugh 45 #yf 45 atmospheric chemist 45 Climate Impact 45 nitrogen deposition 45 global warming 45 Jay Belsky 45 Hoeppe 45 electrochemical oxidation 45 Pachauri IPCC 45 isoprene 45 Gunstad 45 Quaiattini 45 Scheraga 45 La Nina pattern 45 heat trapping gases 45 Drexhage 45 Marika Holland 45 colder winters 45 Jay Zwally 45 Mark Rosegrant 45 journal Climatic Change 45 carbondioxide 45 Tom Nalepa 45 Tailpipe emissions 45 Stramma 45 Joachim von Braun 45 Worldwatch 45 Landsea 45 Raufer 44 Dessler 44 tropospheric ozone 44 Sheldon Drobot 44 Robert Corell 44 #.#C warmer 44 nitrogen oxides emitted 44 Natalie Mahowald 44 Margaret Pericak Vance 44 Drew Shindell 44 Stephen Pacala 44 Ari Melnick 44 climate modeller 44 Dieter Helm 44 Meinshausen 44 CSIRO Sustainable Ecosystems 44 Cynthia Rosenzweig 44 Flassbeck 44 Meehl 44 Michel Jarraud 44 Urbaszewski 44 Emilie Moorhouse 44 Crutzen 44 #.#oC [001] 44 emit CO2 44 reactive nitrogen 44 Pajonk 44 Madronich 44 terrestrial biosphere 44 Stavins 44 chytrid 44 carbon dioxide 44 Roenneberg 44 dangerous anthropogenic interference 44 Sugarcane ethanol 44 poleward 44 Nitrogen oxide 44 stratospheric ozone 44 Diversitas 44 Martin Sommerkorn 44 Frumhoff 44 smog forming pollutants 44 Abdallah Daar 44 produced Friedlingstein 44 Smol 44 Lopez Claros 44 Graedel 44 #.#C #.#F [003] 44 Alexander Goncharov 44 2C #.#F 44 Robock 44 atmospheric aerosols 44 Inez Fung 44 methane CH4 44 megacryometeor 44 Hugh Possingham 44 Gaensler 44 melt Himalayan glaciers 44 Ken Caldeira 44 anthropogenic climate 44 El Ninos 44 manmade greenhouse gases 44 Acidification 44 Birol 44 authors Kevin Trenberth 44 Southern Oscillation 43 perfluorocarbons 43 glacier retreat 43 wetter winters 43 Helen Chivers 43 Gregory Asner 43 phytoplankton biomass 43 Roger Pielke 43 warmings 43 Little Ice Age 43 glacier shrinkage 43 Ross Salawitch 43 boreal regions 43 CarbonTracker 43 carbonate ion 43 drier summers 43 climate modeler 43 anthropogenic CO2 emissions 43 Thomas Graedel 43 greenhouse gases GHG 43 acidic oceans 43 ozone particulate matter 43 CSIRO Wealth 43 Burning fossil fuels 43 author Eugene Takle 43 deplete ozone 43 chlorofluorocarbons 43 Graeme Pearman 43 Gregg Marland 43 Awschalom 43 Paul Thornalley 43 Malte Meinshausen 43 Dr. Naveed Aslam 43 Stephan Singer 43 Mayo Clinic hematologist 43 Stockholm Resilience 43 Dr Canadell 43 #.#C #.#C 43 Friis Christensen 43 Nitrogen dioxide 43 Andrew Maskrey 43 Cecilia Ramlau Hansen 43 SO2 sulfur dioxide 43 Brenda Ekwurzel climate 43 deglaciation 43 NOAA Geophysical Fluid 43 Prof Beddington 43 Grottoli 43 WMO 43 Eric Rignot 43 Mitloehner 43 landfalling hurricanes 43 La Nina cooling 43 Jane Ferrigno 43 colder drier 43 carbon dioxide emissions 43 Korty stressed 43 Lewis Ziska 43 endorses halving 43 Lindzen 43 atmospheric circulation 43 enforcing clawbacks poisons 43 British Antarctic Survey 43 Climate Impacts Group 43 Warmer seas 43 Maryam Golnaraghi 43 fossil fuels 43 Climatologist 43 fluorinated gases 43 Weiqing Han 43 acidification 43 Vicky Markham 43 sulfur dioxide pollutant 43 Waleed Abdalati 43 Climatic Research 43 Chittka 43 preindustrial levels 43 sectoral crediting 43 Reid Detchon 43 anthropogenically 43 CO2 43 GHG emission 43 degrees above preindustrial 43 cow enteric 43 O'Lenic 43 stabilizing atmospheric concentrations 42 greenhouse gas 42 heatwaves floods 42 Ellen Stofan 42 anthropogenic warming 42 colder wetter 42 ozone 42 CO ² 42 Phil Klotzbach member 42 greenhouse gas emissions 42 Philip Mote 42 greenhouse gases GHGs 42 climate modellers 42 sunspot activity 42 Warmer oceans 42 Ekwurzel 42 Korty reiterated 42 Julienne Stroeve 42 Pakrasi 42 van der Schouw 42 Abdussamatov 42 Machnig 42 smog forming nitrogen oxide 42 sulfate aerosol 42 Bruce Wielicki 42 van der Lely 42 greenhouse emissions 42 gaseous pollutants 42 ozone depleting substances 42 Roberto Bertollini 42 nitrogen trifluoride 42 AGW theory 42 Carlgren 42 climate change 42 AGW hypothesis 42 droughts floods heatwaves 42 Trevor Sikorski 42 UNEP WCMC 42 Greenland icesheet 42 El Nino periodic 42 Runge Metzger 42 Finnish Meteorological 42 journal Global Biogeochemical 42 Indian climatologist Rajendra 42 heat trapping carbon dioxide 42 Indian Ocean Dipole 42 emitting fossil fuels 42 van der Leeuw 42 Xiaodong Song 42 subtropical regions 42 Margaret Karagas 42 CO ² emissions 42 Waleed Abdalati director 42 Dansgaard 42 Paleoclimate 42 Arctic Oscillation 42 Ascherio 42 Alpine glaciers 42 climatologist 42 warming gases 42 V. Ramanathan 42 sulfur dioxide pollution 42 climate modelers 42 Klekociuk 42 hydrofluorocarbons HFCs 42 CFCs 42 particulate pollutants 42 teleconnections 42 biosequestration 42 carbondioxide emissions 42 anthropogenic CO 42 Keeling Curve 42 Global Biogeochemical Cycles 42 Bric economies 42 chlorofluorocarbons CFCs 42 Eclac 42 Guldberg 42 Omar Baddour 42 Simone Tilmes 42 biogeochemist 42 Hotter summers 42 Wieslaw Maslowski 42 Wofsy 42 Giovannucci 42 PA WeatherCentre 42 Ted Schuur 42 Svensmark 42 blocks harmful ultraviolet 42 Zachos 42 Jos Delbeke 42 anthropogenic aerosols 42 Peter Ewins 42 Tobias Muenchmeyer 42 Robert Bindschadler 42 permafrost thaws 42 Coequyt 42 Armin Falk 42 sulfuryl fluoride 42 Carbon dioxide 42 Palaeocene Eocene Thermal Maximum 42 Kininmonth 42 Amundsen Sea 41 marine phytoplankton 41 thermochemical processing 41 Thorning 41 Joan Kleypas 41 La Nina phenomenon 41 Barbara Helfferich 41 A. Grucza 41 Mark Jaccard 41 coral reef degradation 41 Matthew Kotchen 41 Methyl bromide 41 mesosphere 41 axial tilt 41 Tim Lobstein 41 CFC propellants 41 Bette Otto Bliesner 41 Lashof 41 ESRL 41 Danovaro 41 abiogenic 41 Ifzal Ali ADB 41 megafauna extinction 41 Thawing permafrost 41 REN# 41 Xuebin Zhang research 41 Biogeochemistry 41 Boris Rubinsky 41 Kenneth Deffeyes 41 Shripad Tuljapurkar 41 Lynda Chin 41 chlorine peroxide 41 Saleska 41 Professor Beddington 41 Pischon 41 Andrew Balmford 41 CO2 eq 41 petrodiesel 41 Trenberth 41 Martin Krkosek 41 Benjamin Santer 41 Atlantic thermohaline circulation 41 Tony Del Genio 41 HCFCs 41 nitrification 41 Sauchyn 41 Ottmar Edenhofer 41 Growth Domestic Product 41 Edenhofer 41 Diesel exhaust 41 ghg emissions 41 Beyond Zero Emissions 41 Christian Nellemann 41 co2 41 upper troposphere 41 IATA Bisignani 41 Endocrine disruptors 41 climatic variability 41 Sekercioglu 41 exajoules 41 La Nina occurs 41 Sulphur dioxide 41 Morens 41 ecological overshoot 41 Reganold 41 nonfossil 41 Ezzati 41 quantified emission 41 Hik 41 Timothy Searchinger 41 Schiestl 41 Svedhem 41 preindustrial times 41 General Michel Jarraud 41 sanofi pasteur MSD 41 Nitrogen oxide emissions 41 Dr Trewin 41 Jarraud 41 Pacific Decadal Oscillation PDO 41 Refinery shutdowns 41 Konrad Steffen 41 Microbiologist Cynan Ellis 41 waves droughts floods 41 Wintry precipitation 41 Noah Fierer 41 Andrew Glikson 41 NOAA ESRL 41 El Nino cyclical 41 phytoplankton blooms 41 ozone depleting chemicals 41 Carlos Nobre 41 tropical cyclones 41 UKERC 41 agrofuels 41 greenhouse emission 41 Yang Fuqiang 41 GHGs 41 halogenated hydrocarbons 41 Chief Executive Jasmine Whitbread 41 Particulate matter 41 Natalia Shakhova 41 Milankovitch cycles 41 SOx emissions 41 Sidney Ribaux 41 DBCCA 41 Blanpied 41 Monbiot 41 Wuebbles 41 Czech Hydrometeorological Institute 41 Chlorofluorocarbons 41 heatwaves droughts floods 41 El Niños 41 Christoffer Johansen 41 phytoplankton 41 Kotchen 41 hotter drier summers 41 hydrochlorofluorocarbons HCFCs 41 Holsti 41 hoofed critters 41 Lambris 41 Donald Scavia 41 Ruth DeFries 41 Nasa Goddard Institute 41 decarbonised 41 Michael Flasar 41 glacier melt 41 CO ₂ 41 Arctic ozone depletion 41 Faith Birol 41 Scott H. Sicherer 41 amplifying feedbacks 41 carbon dioxide nitrous oxide 41 Lefer 41 atmospheric pollutants 41 Cow burps 41 Till Roenneberg 41 Patricia Romero Lankao 41 above preindustrial levels 41 Hans Joachim Schellnhuber 41 Spiegelhalter 41 Dikpati 41 Energy Transformed Flagship 41 carbon dioxide equivalent CO2e 41 Rene Heroux 41 forest ecologist 41 absorbs carbon dioxide 41 ILRI 41 unmarried births 41 Bongaarts 41 Suresh Garimella 41 Eske Willerslev 41 Millennium Ecosystem Assessment 41 Jotzo 41 van Mantgem 41 gigatonnes Gt 41 particulate matter emitted 41 Excess nitrogen 41 Amazon deforestation 41 John O. Holloszy 41 harmful gasses 40 Laith Abu Raddad 40 Domazlicky 40 Antarctic glaciers 40 Peter Tymms 40 Jonathan Patz 40 Wynick 40 acidifying 40 Peter Kareiva 40 biogeochemical cycle 40 Achim Steiner UNEP 40 WEO 40 Max Planck Institut fur 40 cirrus clouds 40 Kyoto Protocol obliges 40 Santer 40 Mahi Sideridou 40 Coral bleaching 40 Diringer 40 Piers Corbyn 40 forecaster Barry Gromett 40 Kurt Zenz House 40 Plate tectonics 40 Professor Ove Hoegh 40 Tabashnik 40 Karnosky 40 La Niña pattern 40 largest emitter 40 snowier winters 40 Wasula 40 nitrogen oxides NOx emissions 40 bottlenecks constraining 40 Bio SNG 40 Nate Mantua 40 NOX emissions 40 sheet Summerhayes 40 heat trapping greenhouse gases 40 Verleger 40 N2O emissions 40 heatwaves droughts 40 greenhouses gases 40 Peter Gotzsche 40 runaway greenhouse 40 Vertical wind shear 40 carbon monoxide nitrogen dioxide 40 temperate regions 40 Jonathan Overpeck 40 Aerosols 40 Gabriel Vecchi 40 Anthony Barnosky 40 #.#g/km 40 Marambaud 40 Hans Tropsch 40 ozone layer 40 Veerabhadran Ramanathan 40 Jan Vande Putte 40 Francis Zwiers 40 atmospheric physicist 40 Julian Cribb 40 downwelling 40 Thiemens 40 Jacqueline McGlade 40 Petsonk 40 Bjørn Lomborg 40 smog forming pollution 40 Francesca Dominici 40 manmade global warming 40 batteries supercapacitors 40 Geschwind 40 Gabriele Hegerl 40 carbon dioxide CO2 40 Professor Jacqueline McGlade 40 Schuckit 40 peroxynitrite 40 Carbon tetrachloride 40 Warmer harvests 40 Kucharik 40 ppbv 40 extinctions 40 carcinogens benzene 40 Janos Bogardi 40 Antarctic ozone 40 particulate pollution 40 RMB revaluation 40 Carl Wunsch 40 aerosols 40 greehouse gas 40 Medha Khole director 40 Kutzbach 40 HCFC 40 methane nitrous oxide hydrofluorocarbons 40 pika habitat 40 CRed 40 Planetary Change 40 Matthias von Herrath 40 Roger Pielke Jr. 40 nitrogen fixation 40 carbon emmissions 40 Setlow 40 Camilla Toulmin 40 greenhouse gas emission reductions 40 Sven Teske 40 nitrous oxide emissions 40 Muller Landau 40 ocean acidification 40 surface temperatures SSTs 40 Caldeira 40 Katharine Hayhoe 40 carbon dioxide CO2 emission 40 Siddharth Pathak 40 Jon Ove Hagen 40 groundwater depletion 40 Delworth 40 Glaciologist 40 sequestering CO2 40 SPAMfighter employs 40 Equatorial Pacific 40 CO2 emitter 40 #.#C above 40 C# emissions 40 degrees Celsius above preindustrial 40 Kunches 40 NCAR scientist Synte Peacock 40 Zapfel 40 multidecadal 40 CHAIRMAN CONNAUGHTON Well 40 Tegmark 40 mass extinctions 40 neutrino physics 40 Particulate pollution 40 exceedences 40 Augie Auer 40 Makiko Sato 40 emitting carbon dioxide 40 CO -2 emissions 40 Joshua Scheck 40 Sauven 40 chlorofluorocarbons CFC 40 Ultraviolet radiation 40 GWEC 40 el Nino 40 ultrafine particle 40 ultra violet radiation 40 Goldbart 40 Concepcion Calpe 40 depleting fossil 40 Rupa Kumar Kolli 40 Pieter Tans 40 heavier rainfalls 40 Kenber 40 Bleaching occurs 40 global warming gases 40 Dronning Maud Land 40 Roger Pielke Sr. 40 warmer wetter 40 agro fuels 40 legally binding pact obligating 40 Hoerling 40 Zoback 40 O'Dor 40 Glaciers melting 40 Murenbeeld 40 Hope Mizzell 40 Mark Serreze 40 worsening droughts 40 N2O 40 Richard Camilli 40 Global warming 40 mountain glaciers 40 Zammit Cutajar 40 meltwater stonefly 40 fine particulate pollution 40 GKSS Research 40 NOx nitrogen oxide 40 adipic acid 40 Turmes 40 Henrik Svensmark 40 photosynthetic organisms 40 Climate Impacts 40 Chlorofluorocarbons CFCs 40 Council GWEC 40 author Ken Caldeira 40 Alan Nogee 40 glacial interglacial 40 Barbut 40 Lautenbacher 40 emissions 40 photochemical reactions 40 perfluorocarbons PFCs 40 foreclosures Sharga 40 Robert Mabro 40 warmer winters 40 heat trapping carbon emissions 40 isostatic rebound 40 Salvano Briceno 40 Domoic acid neurotoxin 40 Jurgen Rehm 40 van Elst 40 negotiator Ian Macfarlane 40 emmisions 40 carbon dioxide emission 40 Wirgin 40 algal biofuel 40 Mavrikakis 39 Fossil fuels 39 mammal extinctions 39 heatwaves 39 Hans von Storch 39 sulphate particles 39 Writer Mazin Yahya 39 Tad Pfeffer 39 fluorotelomers 39 subtropics 39 atmospheric chemistry 39 Plimer 39 Anders Hviid 39 floods heatwaves droughts 39 CO -2 39 Pisani Ferry 39 Glenn Prickett 39 Rasik Ravindra 39 nitrogen oxides carbon monoxide 39 harmful ultraviolet UV radiation 39 underlie famine 39 greenhouse gas nitrous oxide 39 ppm CO2 39 Allan Tupper 39 Andrew Dessler 39 Shahin Rafii 39 dustier stormier atmosphere 39 hydrochlorofluorocarbon 39 Diana Liverman 39 non tradeables 39 cosmic ray intensity 39 Overpeck 39 PAH compounds 39 emission reductions 39 carbon emitted 39 emmissions 39 Unep 39 International Geosphere Biosphere 39 depletes oxygen 39 methanogenesis 39 alone Reheis Boyd 39 Professor McKibbin 39 narcissism Twenge 39 oxygen depletion 39 planetary warming 39 exceedence 39 Clare Demerse 39 co2 emissions 39 Vikse 39 Maria Karayiorgou 39 global weirding 39 coccolithophores 39 carbon dioxide methane 39 Kammermeyer 39 meridional flow 39 carbon emissions 39 Hans Laufer 39 Oceanography Centre 39 El Nino La Nina 39 global warming gasses 39 deep convective clouds 39 Kjorven 39 Elevated CO2 39 forams 39 gigatons 39 fluorocarbons 39 Carbon dioxide CO2 emissions 39 HFCs 39 zinc oxide nanoparticles 39 Guha Sapir 39 glacial melt 39 Koleci 39 colder snowier 39 Fram Strait 39 Halifax Weather Overcast 39 Katie Kalvaitis 39 Acadametrics 39 smokestacks tailpipes 39 Jerry Karnas 39 AB Mazumdar 39 argentinian debt crisis 39 polar vortex 39 Nils Axel Morner 39 Pacific Decadal Oscillation 39 marketable peptide 39 Dean Pesnell 39 warmer moister 39 ippr 39 Co2 emissions 39 sequester atmospheric 39 atmospheric 39 reef habitats 39 Goklany 39 hydrofluorocarbon HFC 39 terrestrial ecosystems 39 Brian Rolstone 39 Appy Sluijs 39 Kalnay 39 William Ruddiman 39 Gajek 39 Smil 39 central equatorial Pacific 39 Atmospheric CO2 39 industrialized countries 39 CO2 emissions 39 decarbonization 39 sunspot cycles 39 El Nino Modoki 39 atmospheric ozone 39 Goudriaan 39 catastrophic floods droughts 39 Isabella Velicogna 39 Rothamsted 39 Zaelke 39 Zellick 39 Johannes Lehmann 39 earliest Homo sapiens 39 Jim Footner 39 greatest insect emergences 39 Gaia Theory 39 Min Temp #.# 39 nitrogen oxide NOX 39 Roeckner 39 Margarita Marinova 39 climatologists 39 Ove Hoegh Guldberg 39 Climate Change UNFCC 39 atmospheric deposition 39 Di Aping 39 Ordovician extinction 39 IPCC 39 Scambos 39 Mannhardt 39 Prasad Gogineni 39 Danish statistician 39 Greenhouse Gases GHG 39 John Bongaarts 39 emit #g/km 39 megatonne 39 Antarctic stratosphere 39 IAASTD 39 Francesca Grifo 39 polar regions 39 Broekema 39 Kert Davies 39 carbon sinks 39 Lunine 39 Markram 39 Greenpeace marine biologist 39 Permian extinction 39 Lamont Doherty 39 Jerry Mahlman 39 floods heatwaves 39 amino acid asparagine 39 Molleda 39 William Happer 39 Drake Deming 39 Matthew Bramley 39 Orjan Gustafsson 39 droughts floods storms 39 CIFOR 39 Lascody 39 floods droughts heatwaves 39 NCEAS 39 glaciers melt 39 icesheet 39 Steven Amstrup 39 SC Bhan 39 Penny Whetton 39 boreal 39 Noaa 39 Einar Kjartansson geophysicist 39 Bekedam 39 WJG Press 39 hydroxyl radical 39 decarbonize 39 Madden Julian Oscillation 39 El Nio 39 nonfossil fuel 39 synthetic nitrogen fertilizers 39 alpine glaciers 39 Oxidative stress occurs 39 Anthony Shorrocks 39 tropical troposphere 39 Arctic icecap 39 Geoffrey Boulton 39 gyres 39 MANILA Philippines Poorer 39 A'Hearn 39 Katey Walter