Alcide Giorgio di Sarra [Italian National agency for new technologies, Energy and sustainable economic development, laboratory UTMEA-TER Earth Observations and Analyses] Andreas Zahn [Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT)] Andrew Watson [University of Exeter, Centre for Environmental Data Analysis] Ankur Desai [University of Wisconsin] Anna Karion [National Institute of Standards and Technology] Antje Hoheisel [Universitaet Heidelberg] Ari Leskinen [University of Eastern Finland, Department of Technical Physics, Kuopio, Finland ] Arlyn Andrews [National Oceanic and Atmospheric Administration] Armin Jordan [Max-Planck-Institute for Biogeochemistry] Aurelie Colomb [Observatoire de Physique du Globe de Clermont Ferrand ] Bert Kers [University of Groningen (RUG), Centre for Isotope Research (CIO)] Bert Scheeren [Centre for Isotope Research, Energy and Sustainability Research Institute Groningen, University of Groningen] Bianca Baier [National Oceanic and Atmospheric Administration] Brian Viner [Atmospheric Technologies Group Savannah River National Laboratory] Britton Stephens [National Center for Atmospheric Research] Bruce Daube [Harvard University] Carina van der Veen [Institute for Marine and Atmospheric Research Utrecht, Utrecht University] Casper Labuschagne [South African Weather Service] Cathrine Lund Myhre [Norwegian Institute for Air Research, Kjeller, Norway] Cédric Couret [Umweltbundesamt, Zugspitze, Germany] Charles E. Miller [NASA Jet Propulsion Laboratory] Choong-Hoon Lee [Korea Meteorological Administration] Chris René Lunder [Norwegian Institute for Air Research, Kjeller, Norway] Christian Plass-Dülmer [Hohenpeißenberg Meteorological Observatory] Christoph Gerbig [Max-Planck-Institute for Biogeochemistry] Christopher D. Sloop [Earth Networks] Colm Sweeney [National Oceanic and Atmospheric Administration] Dagmar Kubistin [Hohenpeißenberg Meteorological Observatory] Daisuke Goto [National Institute of Polar Research] Daniel A Jaffe [University of Washington] Daniela Heltai [Ricerca sul Sistema Energetico - RSE S.p.A.] David Lowry [Royal Holloway University London] David Munro [National Oceanic and Atmospheric Administration] Doug Worthy [Environment and Climate Change Canada] Ed Dlugokencky [National Oceanic and Atmospheric Administration] Elena Kozlova [University of Exeter, Centre for Environmental Data Analysis] Elizabeth DiGangi [Earth Networks, Inc., an AEM company] Emanuel Gloor [University of Leeds] Emilio Cuevas [State Meteorological Agency of Spain] Eric Hintsa [National Oceanic and Atmospheric Administration] Eric Kort [University of Michigan] Eric Morgan [Scripps Institution of Oceanography] Euan Nisbet [Royal Holloway University London] Florian Obersteiner [Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT)] Francesco Apadula [Ricerca sul Sistema Energetico**– RSE S.p.A.**, Milano, Italy] Frank Meinhardt [Umweltbundesamt, Station Schauinsland] Fred Moore [National Oceanic and Atmospheric Administration] Gabriela Vitkova [CzechGlobe -Global Change Research Institute CAS] Giordane A. Martins [Fundação Amazônica de Defesa da Atmosfera] Giovanni Manca [Joint Research Centre of Europena Commission] Giulia Zazzeri [Royal Holloway University London] Gordon Brailsford [National Institute of Water & Atmospheric Research] Grant Forster [UEA/NCAS (National Centre for Atmospheric Science)] Greg Santoni [Harvard University ] Haeyoung Lee [Korea Meteorological Administration] Harald Boenisch [Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT)] Heiko Moossen [Max-Planck-Institute for Biogeochemistry] Helder Timas [Instituto Nacional de Meteorologia e Geofisica, Cape Verde] Hidekazu Matsueda [Meteorological Research Institute] Hui-Yun Kang [Korea Meteorological Administration] Huilin Chen [Centre for Isotope Research, Energy and Sustainability Research Institute Groningen, University of Groningen] Irene Lehner [Lund University, Centre for Environmental and Climate Science] Isaac Vimont [National Oceanic and Atmospheric Administration] Ivan Mammarella [Institute for Atmospheric and Earth System Research/Physics, Faculty of Sciences, University of Helsinki] Jakub Bartyzel [University of Science and Technology (AGH), Poland] James W. Elkins [NOAA GML Halocarbons and other Atmospheric Trace Species (HATS)] Jaroslaw Necki [University of Science and Technology (AGH), Poland] Jasna Pittman [Harvard University] Jean Marc Pichon [Observatoire de Physique du Globe de Clermont Ferrand ] Jennifer Müller-Williams [Hohenpeißenberg Meteorological Observatory] Jgor Arduini [University of Urbino] Jocelyn Turnbull [GNS Science] John B. Miller [National Oceanic and Atmospheric Administration] John Lee [University of Maine] Jooil Kim [Scripps Institution of Oceanography] Joseph Pitt [University of Bristol] Joshua P. DiGangi [NASA Langley Research Center] Jost Lavric [Max Planck Institute for Biogeochemistry] Juha Hatakka [Finnish Meteorological Institute] Justin Worsey [University of Exeter, Centre for Environmental Data Analysis] Jutta Holst [Lund University, Dept. Phys. Geography & Ecosystem Science] Kari Lehtinen [Finnish Meteorological Institute] Katerina Kominkova [Global Change Research Institute of the Czech Academy of Sciences] Kathryn McKain [National Oceanic and Atmospheric Administration] Kazuyuki Saito [Japan Meteorological Agency] Kenneth J. Davis [Penn State University] Kirk Thoning [National Oceanic and Atmospheric Administration] Kjetil Tørseth [Norwegian Institute for Air Research, Kjeller, Norway] László Haszpra [Research Centre for Astronomy and Earth Sciences] Lise Lotte Sørensen [Aarhus University] Luciana V. Gatti [National Institute for Space Research (INPE), Center of Terrestrial System Science (CCST), Greenhouse Gas Laboratory (LaGEE)] Lukas Emmenegger [Swiss Federal Laboratories for Materials Science and Technology] Mahesh Kumar Sha [] Malika Menoud [Utrecht University] Marc Delmotte [Laboratoire des Sciences du Climat et de l'Environnement] Marc L. Fischer [Lawrence Berkeley National Laboratory] Marcel de Vries [University of Groningen (RUG), Centre for Isotope Research (CIO)] Marcus Schumacher [Max Planck Institute for Biogeochemistry] Margaret Torn [ARM Carbon Project, Lawrence Berkeley National Laboratory] Maria Elena Popa [Utrecht University] Markus Leuenberger [Climate and Environmental Physics, Physics Institute, University of Bern] Martin Heimann [Max-Planck-Institute for Biogeochemistry] Martin Heimann [University of Exeter, Centre for Environmental Data Analysis] Martin Steinbacher [Swiss Federal Laboratories for Materials Science and Technology] Martina Schmidt [Laboratoire des Sciences du Climat et de l'Environnement - UMR8212 CEA-CNRS-UVSQ] Martine De Mazière [] Matthias Lindauer [Hohenpeißenberg Meteorological Observatory] Meelis Mölder [Lund University - Department of Physical Geography and Ecosystem Science] Melissa Yang Martin [NASA Suborbital Research Center] Mi-Young Ko [Korea Meteorological Administration] Michael Rothe [Max-Planck-Institute for Biogeochemistry] Michal Heliasz [Lund University, Centre for Environmental and Climate Science] Michal V. Marek [CzechGlobe -Global Change Research Institute CAS] Michel Ramonet [Laboratoire des Sciences du Climat et de l'Environnement] Mila Stanisavljević [Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland] Morgan Lopez [Laboratoire des Sciences du Climat et de l’Environnement, Gif sur Yvette, France] Motoki Sasakawa [National Instiute for Environmental Studies] Natasha L. Miles [Penn State University] Olivier Laurent [ICOS Atmospheric Thematic Center] Ove Hermansen [Norwegian Institute for Air Research, Kjeller, Norway] Pamela Trisolino [ISAC] Paolo Cristofanelli [Institute of Atmospheric Sciences and Climate (CNR-ISAC)] Paul D. Smith [] Paul Krummel [Commonwealth Scientific and Industrial Research Organisation, Environment, Aspendale, Victoria, Australia ] Paul Shepson [Purdue University] Pedro P. Rivas [State Meteorological Agency of Spain] Penelope Pickers [University of East Anglia] Peter Bergamaschi [European Commission, Joint Research Centre] Petri Keronen [Institute for Atmospheric and Earth System Research/Physics, Faculty of Sciences, University of Helsinki] Ralph F. Keeling [Scripps Institution of Oceanography] Ray L. Langenfelds [Commonwealth Scientific and Industrial Research Organisation, Environment, Aspendale, Victoria, Australia ] Ray Weiss [Scripps Institution of Oceanography] Reimo Leppert [University of Exeter, Centre for Environmental Data Analysis] Rodrigo A. F. de Souza [State University of Amazonas] Sabrina Arnold [Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre] Salvatore Piacentino [Italian National agency for new technologies, Energy and sustainable economic development, laboratory UTMEA-TER Earth Observations and Analyses] Scott J. Richardson [Penn State University] Sebastien C. Biraud [ARM Carbon Project, Lawrence Berkeley National Laboratory] Sébastien Conil [Agence nationale pour la gestion des déchets radioactifs] Shinji Morimoto [Tohoku University] Shuji Aoki [Tohoku University] Simon O'Doherty [Atmospheric Chemistry Research Group School of Chemistry University of Bristol] Sönke Zaehle [Max-Planck-Institute for Biogeochemistry] Stephen Matthew Platt [Norwegian Institute for Air Research, Kjeller, Norway] Steve Prinzivalli [Earth Networks] Steven C. Wofsy [Harvard University, Division of Engineering and Applied Science/Department of Earth and Planetary Science] Sylvia Nichol [National Institute of Water and Atmospheric Research] Tanja Schuck [Institute for Atmospheric and Environmental Sciences, University of Frankfurt] Thomas Lauvaux [University of Reims Champagne-Ardenne] Thomas Röckmann [Utrecht University] Thomas Seifert [University of Exeter, Centre for Environmental Data Analysis] Tobias Biermann [Lund University, Centre for Environmental and Climate Science] Tobias Kneuer [Hohenpeissenberg Meteorological Observatory] Torsten Gehrlein [Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT)] Toshinobu Machida [National Instiute for Environmental Studies] Tuomas Laurila [Finnish Meteorological Institute] Tuula Aalto [Finnish Meteorological Institute] Vanessa Monteiro [Penn State University] Victor Kazan [Laboratoire des Sciences du Climat et de l'Environnement] Viktor Ivakhov [Voeikov Main Geophysical Observatory] Warren Joubert [South African Weather Service] Willi A. Brand [Max-Planck-Institute for Biogeochemistry] Xin Lan [National Oceanic and Atmospheric Administration] Yosuke Niwa [National Institute for Environmental Studies] Zoe Loh [Commonwealth Scientific and Industrial Research Organisation, Environment, Aspendale, Victoria, Australia ]