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Research Climate Scientists

A Research Climate Scientist is a person who is currently doing research in climatology.  For purposes of this page the primary evidence that a person is doing current research is that he/she has published one or more peer-reviewed papers on some area related to climate science within the past few years.  Membership in a climate research group would also help but is not a requirement.  It is not the objective of the author to make this a complete list by any means.  But it is a list of researchers who have come to the attention of the author during his study of the climate and of global warming.  The comments about each person are normally from the researcher's own website.  And, normally, a list of his/her publications can be found on that website.

David Archer.  I have been a professor in the Department of The Geophysical Sciences at the University of Chicago since 1993. I have worked on a wide range of topics pertaining to the global carbon cycle and its relation to global climate, with special focus on ocean sedimentary processes such as CaCO3 dissolution and methane hydrate formation, and their impact on the evolution of atmospheric CO2.

Caspar M. Ammann, National Center for Atmospheric Research (NCAR), Climate and Global Dynamics Division.  Has refereed publications with titles of  "Climate simulations of the 20th-Century with the PCM",  "Coupled simulations of the 20th century including external forcing",  plus many others.

Richard Armstrong, Interim NSIDC Director, Senior Research Scientist, Associate Professor of Geography, Adjunct, University of Colorado at Boulder, CIRES Fellow, PhD, University of Colorado at Boulder, 1985.  Specialties: Remote sensing of snow, ice, and frozen ground; physical and mechanical properties of snow; snow cover and glacier mass/extent as indicators of climate change.

Franz-W. Badeck,   Potsdam Institute for Climate Impact Research (PIK) .   Research Interests:  Modelling of gas exchange, growth and competition at the organisational levels of organs, whole plants, stands and ecosystems.  My work on forest growth and succession at PIK is part of the ForEVAS project .  My work on global vegetation modelling at PIK is part of the development of the LPJ model .  In the working group of Gundolf Kohlmaier I participated in the development and application of the Frankfurt Biosphere Model (FBM)

Andrew Barrett, Research Scientist at NSIDC.  Specialties: Arctic and mountain hydrology; glacier hydrology; hydrological modeling; western United States water resources

Roger G. Barry, Director, World Data Center for Glaciology, Boulder, Distinguished Professor of Geography, University of Colorado at Boulder, CIRES Fellow, PhD, University of Southampton, UK, 1965.  Specialties: Arctic climate; cryosphere-climate interactions; mountain climate; climate change

Eva Bauer, Earth System Analysis - Research Domain I, Potsdam Institute for Climate Impact Research (PIK)   Research Interests: Earth System Modelling, Paleo-Climatology, Anthropogenic Climate Changes, Atmospheric Radiation

Rasmus E. Benestad.  I am a physicist by training and have affiliations with the Norwegian Meteorological Institute ( and the Oslo Climate Group (OCG) [My views here are personal and may not necessarily represent those of RegClim, OCG,, or the mentioned societies]. I have a D.Phil in physics from Atmospheric, Oceanic & Planetary Physics at Oxford University in the United Kingdom. Recent work involve a good deal of statistics (empirical-statistical downscaling, trend analysis, model validation, extremes and record values), but I have also had some experience with electronics, cloud micro-physics, ocean dynamics/air-sea processes and seasonal forecasting. In addition, I wrote the book 'Solar Activity and Earth's Climate' (2002), published by Praxis-Springer, and I was a member of the council of the European Meteorological Society for the period (2004-2006), representing the Nordic countries and the Norwegian Meteorology Society.  In my work, I often get questions from media and lay persons about climate change. I believe it is necessary to approach these questions with identifying what we really don't know and what we are more sure about. I believe that some of Karl Popper ideas about falsification can be useful.   Link to publications can be found here

Raymond S. Bradley:  My interests are in climate variability across a wide range of time scales. I’m particularly interested in how present day climate differs from climates in the past, and what may have caused climates to change.  My research group is supported by grants from NSF, NOAA, and the Department of Energy.

Victor Brovkin.  Research Scientist,  Potsdam Institute for Climate Impact Research, Potsdam, Germany.    PhD,  Lomonosov Moscow State University and Institute for System Analysis of Russian Academy of Sciences, Moscow, Russia.  Research Fields: Climate-vegetation, interaction, Terrestrial and marine biogeochemistry, Quaternary carbon cycle, Feedbacks in the climate system

Reinhard Calov, Earth System Analysis - Research Domain I, Potsdam Institute for Climate Impact Research (PIK).  

Dr William Connolley:  Since 1990 I have worked as a climate modeller at the British Antarctic Survey, on various aspects of Antarctic Climate.  My current interests are Sea ice, especially as implemented in the UKMO Hadley Centre climate model; and EVP,  the Antarctic Circumpolar Wave and possible wider links to ENSO and indeed all aspects of (Antarctic) climate variability and attempting to understand the warming seen around the Antarctic Peninsula.

Wolfgang Cramer,  Co-Chair Earth System Analysis, Potsdam Institute for Climate Impact Research  Research: Global biosphere dynamics and feedbacks between the biosphere and the rest of the Earth System including human society. Vulnerability of ecosystems to global change.

Sheldon Drobot:  I am an Applied Climatologist with the Colorado Center for Astrodynamics Research at the University of Colorado.  My current research roughly falls under two broad themes: (1) Looking at where people obtain weather and warning information, and how that information combines with personality traits and risk perceptions to influence decision-making in hazardous environments; and (2) Examining how Arctic sea-ice is changing, why it is changing, what it may look like in the near future, and what impacts the changes may have on humans and the environment. For more information, see my projects and publications webpages. If you have any questions, just email me by clicking here.

Florence Fetterer, Program Manger at MSIDC, MS, Old Dominion University, Norfolk, VA, 1985, B.S., St. John's College, Annapolis, MD 1981.  Specialties:  Sea ice; applications-oriented remote sensing; data rescue; data set development

Oliver W. Frauenfeld, Research Scientist II at NSIDC, PhD, University of Virginia, 2003.  Specialties:  Synoptic climatology; surface/atmosphere interactions; permafrost dynamics

Andrey Ganopolski, Research scientist, Potsdam Institute for Climate Impact Research (PIK), Potsdam, Germany.  More than 70 papers in refereed journals and book chapters, 15 reports and miscellaneous publications (see separate list of publications). 

Shari Gearheard, Research Scientist II at NSIDC.  PhD, University of Colorado at Boulder, 2004.  Shari Gearheard is based in Clyde River, Nunavut, Canada.   Specialties: Human-environment interactions; traditional knowledge research; Arctic environment and change; Inuit knowledge; participatory research; innovative technologies and methodologies; linking indigenous and scientific knowledge

Nathan Gillett,  Reader in Climate Dynamics,   Climatic Research Unit, School of Environmental Sciences, University of East Anglia.  My research is focused on the understanding and attribution of climate change through the comparison of simulated and observed changes. I have a particular interest in changes in the atmospheric circulation and precipitation, as well as the climate response to stratospheric ozone depletion and stratosphere-troposphere coupling.

Marlies GumpenbergerGREENCYCLES Early stage researcher (ESR), Potsdam Institute for Climate Impact Research (PIK), Earth System Analysis - Research Domain I, Thesis title: ‘Effect of agricultural biomass burning on the global carbon cycle: Simulations with the LPJmL Dynamic Global Vegetation Model’

Martin Gutsch, Forester, Potsdam Institute for Climate Impact Research (PIK).  PhD-student in research domain II Climate Impacts & Vulnerabilities.  Main fields of work:   Co-worker in the BMBF-project "OakChain", Quantification of the yield of mixed oak-pine forests in subcontinental parts of Brandenburg (Germany) and Poland under combined impact of climate change, nutrient deposition and increasing atmospheric CO2 .  Modelling of rooting depth, vertical distribution of roots and root competition in temperate forests with 4C

Ylva Hauf, Global Change and Natural Systems Department, Research Domain II (Climate Impacts and Vulnerabilities),  Potsdam Institute for Climate Impact Research (PIK).  Current Research Projects:  Tools for the Assessment of Future sustainable Forestry and land restoration in waterlimited regions ( INTERREG IIIC) TAFF and Impacts of Global Change on the Water Cycle in the Elbe Region - Risks and Options GLOWA Elbe

Yanping He, Post Doctoral Fellow, School of Earth and Ocean Sciences., University of Victoria.   Research Interests:  Boundary Layer Dynamics and Physics, Extreme Climate Modeling and Prediction, Wind energy estimation and development, Nonlinear Dynamical systems.

Renée Hetherington, Climate Modelling Group, School of Earth and Ocean Sciences., University of Victoria.  I have been working with colleagues at the UVic Climate Modelling Lab examining the link between the changing climate of the last glacial cycle and potential migration routes into the Americas as well as developing the modelling and database requirements necessary to implement our newest project, Climate and human evolution and adaptability over the last glacial cycle. One of the greatest challenges facing the climate modelling community is to understand the variability of the climate system over the last glacial cycle. An even greater challenge is to understand the influence of climate change on the causation of human biological associations including symbiotic, sexual, intercellular, and social, as well as human physiology and behavior, and human developmental evolution.

Matthias Hofmann,  Postdoc, Climate System Department, Potsdam Institute for Climate Impact Research, Potsdam, Germany.

Dr. Noel S. Keenlyside, Leibniz Institute of Marine Sciences at Kiel University.  Research Intrests:  Tropical climate variability and predictability, Decadal climate variability and predictability, Past and future tropical cyclone activity, Coupled model development (ECHAM5/NEMO)

Thomas Kleinen, Research Domain 1 - Earth System Analysis, Potsdam Institute for Climate Impact Research (PIK).   Currently I am working in land carbon cycle modelling. Together with Victor Brovkin I am investigating peat accumulation in the high northern latitudes during the Holocene, as well as during previous interglacials.This investigation is part of the project COIN (Comparison of Interglacials), which is funded by the DFG.  For this project, I am implementing a representation of wetland hydrology, as well as a model of peat accumulation and decomposition into the DGVM LPJ.

Jürgen Kropp.  Senior Researcher Potsdam Institute for Climate Impact Research. Leader of the COMPROMISE and UP-RACE ToPIK Projects. PI/project leader of several international joint projects, e.g. on scaling, trend and extreme value analysis in hydrology (funded by Federal Government), or on EC funded projects, e.g. on hazard assessment ARMONIA, SCENARIO, and climate change adaptation ASTRA and ACCMA. Research Domain - Climate Impacts and Vulnerabilities -

Fanny Langerwisch, Potsdam Institute for Climate Impact Research, Earth System Analysis

Petra Lasch, Senior Scientist, otsdam Institute for Climate Impact Research (PIK).  Research Domain II: Climate Impacts and Vulnerabilities.  Research Interests:  PIK project: Climate Impact Register for Germany,  Vulnerability assessment of goods and services of forest ecosystems: ForEVAS,  Forest modeling: forest dynamics model 4C (FORESEE) and Brandenburg Simulator of Environmental and Socio-economic Transformations  BEST  

Anders Levermann, Professor of Dynamics of the Climate System at the Physics Institute of Potsdam University and in Research Domain I: Earth System Analysis of the Potsdam Institute for Climate Impact Research .  Head of PIK Flagship Activity TUMBLE, Contributing author of IPCC, Member of the Global Thermostat Project, Author of climate science blog KlimaLounge

Ron Lindsay, Polar Science Center, University of Washington.   Ron's current interests are centered in modeling ice movement and growth in the Arctic. He has developed a new Lagrangian model of sea ice that is used for assimilating ice trajectory data from satellites in order to obtain spatially and temporally complete fields of the ice motion and to obtain improved estimates of the internal ice stress.

Hermann Lotze-Campen grew up on a farm near Norden in Ostfriesland. He studied Agricultural Sciences and Economics at the University of Kiel and the University of Reading (England), where he graduated in 1992 with a Master's degree in Agricultural Economics. For his doctoral studies he stayed in Kiel, at the University of Minnesota (USA) and at Humboldt University Berlin, where he received his Ph.D. in Agricultural Economics in 1998.   He is currently an Agricultural Economist and a Agricultural Economist at the  Potsdam Institute for Climate Impact Research (PIK).

Andy Mahoney, Post-Doctoral Researcher at NSIDC.  PhD, University of Alaska Fairbanks, 2006 .  Specialties: Sea ice; human-sea ice interactions.

Dr. Michael E. Mann is a member of the Penn State University faculty, holding joint positions in the Departments of Meteorology and Geosciences, and the Earth and Environmental Systems Institute (ESSI). He is also director of the Penn State Earth System Science Center (ESSC).  More information about his research and publication record can be found here.

Jim Maslanik, Associate Research Professor, Research Associate at NSIDC.  PhD, University of Colorado at Boulder, 1988 .  Specialties: Polar climatology and remote sensing

Walt Meier,  Research Scientist II at NSIDC, PhD, University of Colorado at Boulder, 1998.  Specialties: Remote sensing of sea ice; impact of sea ice on climate; operational sea ice analysis; assimilation of sea ice data into models

Malte Meinshausen.  Currently a Researcher at Potsdam Institute for Climate Impact Research, Potsdam, Germany and a Freelance consultancy for government bodies and environmental NGOs on climate policy issues.  Current focus of research:  Emission and concentration implications of long term climate targets, such as limiting global warming to below 2°C.  Co-leader of the research activity PRIMAP at PIK (see

Katrin Juliane Meissner, Assistant Professor at the University of Victoria , SEOS , Climate Modelling Group, Canada.  

Adam Hugh Monahan , Associate Professor, School of Earth and Ocean Sciences, University of Victoria.  Research Interests: Stochastic climate models , Stochastic dynamics of surface winds , Atmospheric low-frequency variability , Stochastic dynamics of the meridional overturning circulation , Upper-ocean/planktonic ecosystem dynamics , High-latitude climate variability , Low-latitude climate variability , Multivariate statistics in climate diagnostics

Álvaro Montenegro, Climate Modelling Group, School of Earth and Ocean Sciences, University of Victoria.  Research interests:  Earth system modelling., Impacts of climate change and climate variability. and Climate and human migration and evolution.

Christoph MüllerPotsdam Institute for Climate Impact Research, Earth System Analysis - Research Domain I, Please note my new affiliation: Christoph Müller, Milieu en Natuurplanbureau (MNP); Netherlands Environmental Assessment Agency.
Research interests: Interaction of human and natural systems,  Land-use modeling, Integrated assessment of global change, Biogeochemical cycles.

Vladimir Kirillovich Petoukhov, Earth System Analysis, Potsdam Institute for Climate Impact Research (PIK).  Research Interests: dynamics of the atmosphere, atmospheric and oceanic physics,  theory of climate, statistical-dynamical climate modeling, climate system feedbacks, nonlinear mechanisms of the ocean-atmosphere-cryosphere-biota interaction, palaeoclimate.

Raymond Pierrehumbert is the Louis Block Professor in Geophysical Sciences at the University of Chicago, having earlier served on the atmospheric science faculties of MIT and Princeton. He is principally interested in the formulation of idealized models which can be brought to bear on fundamental phenomena governing present and past climates of the Earth and other planets. His recent research interests have included water vapor feedback, baroclinic instability, the Neoproterozoic Snowball Earth, the climate of Early Mars, and methane hydrological cycles on Titan. He is director of the Climate Systems Center, a US National Science Foundation Information Technology Research project aimed at bringing modern software design techniques to the problem of climate simulation. He has also collaborated with David Archer on the University of Chicago's global warming curriculum.  More information about his research, including a complete publication list, can be found here.

Ben Poulter, Post-Doctoral Research Scientist, Potsdam Institute for Climate Impact Research.  My research crosses multiple-scales to address community, landscape, and regional ecosystem responses to global change. Typically, changes in vegetation structure and ecosystem biogeochemistry occur in response to multiple factors (ie rising atmospheric CO2 in combination with changing land-use patterns) rather than single factors. These interactions make it difficult to attribute observed changes to one particular factor, which is essential for the long-term monitoring and management of ecosystems. To resolve these complex issues, I use a combination of greenhouse experiments, field transplant experiments, remote sensing and geospatial analysis, and mechanistic modeling with DGVMs. I am particularly interested in the role of disturbance (fire) and its influence on vegetation dynamics under gradually changing environmental conditions (such as climate change or sea level rise in coastal areas). The theoretical context of multiple stable states drives many of the hypotheses that motivate this research.

Stefan Rahmstorf, Professor of Physics of the Oceans, Potsdam University, Member of the German Advisory Council on Global Change , Member of the Academia Europaea ,Honorary Fellow of the University of Wales, Potsdam Institute for Climate Impact Research (PIK)

Anja Rammig, Post-Doctoral Research Scientist, Potsdam Institute for Climate Impact Research.  I am interested in research that relates different modeling approaches to ecosystem functioning. My research focuses on (1) the impact of global climate change on ecosystems and (2) the impact of disturbances and extreme events on vegetation, from the physiological level to site- and landscape level.

Fritz Reusswig is sociologist and deputy department head of the Global Change and Social Systems Department at the Potsdam Institute for Climate Impact Research. He is working mainly on lifestyle and consumption issues as drivers for global environmental change, especially climate change. In addition, he is interested in the role of lifestyle and consumption changes for a system wide sustainability transition. The sometimes paradoxical emergence of a global society-including new forms of inequality, power, influence and voice-is a further point of reference for his work. From an environmental sociology point of view, Fritz looks also at the social construction of nature, and the public imagery related to nature, including the way biodiversity is perceived by societies. More recently, the possible role of cities for sustainable lifestyle and climate policy has has become a research focus.

Joachim Rock, Dept. Global Change & Natural Systems, Potsdam Institute for Climate Impact Research.  There is a large gap between knowledge and ideas about future climatic conditions between science and research on one hand and forest and land managers and planners on the other. In this project, we explore possible future growing conditions for Scots pine, European beech, and Oak species in Brandenburg, and for Aleppo pine in Murcia, Spain. The results (maps of possible future climatic conditions, tree-species specific reactions to this changes) will be made available to e. g. forest and land managers in the respective regions, to enable them to identify risks and possibilities - and develop management strategies - related to climatic changes.

Ted Scambos,  Senior Research Scientist,  Lead Scientist for NSIDC Science Team.  Specialties:  Glaciology; remote sensing of the poles; climate change effects on the cryosphere; Antarctic history; geochemistry; and planetary science

Kevin Schaefer, Research Scientist I at NSIDC.  PhD, Colorado State University, 2004.  Specialties: Remotely-sensed snow cover; vegetation phenology; soil freeze/thaw dynamics

Jacob Schewe, PhD Student (Physics), Potsdam Institute for Climate Impact Research.  Publications include    The role of Southern Ocean winds for the global meridional overturning circulation in the Earth System Model of Intermediate Complexity CLIMBER-3α ,   Lack of bipolar see-saw in response to Southern Ocean wind reduction and   The role of meridional density gradients in a wind-driven overturning circulation
Gavin A. Schmidt.  Gavin Schmidt is a climate modeller at the NASA Goddard Institute for Space Studies in New York and is interested in modeling past, present and future climate. He works on developing and improving coupled climate models and, in particular, is interested in how their results can be compared to paleoclimatic proxy data. He also works on assessing the climate response to multiple forcings, such as solar irradiance, atmospheric chemistry, aerosols, and greenhouse gases.  More information about his research and publication record can be found here.

Thomas Schneider von Deimling (post doc),   research domain: Earth System Analysis,   project leader of ASSERT, Potsdam Institute for Climate Impact Research, My main research interest is on reducing uncertainty in Climate Sensitivity by constraining ensemble simulations with data of past climate changes. For this purpose I focus on climate changes from the Last Glacial Maximum as well as on regional 20th Century warming. Furthermore I am interested in investigating the dependency of climate sensitivity on the climate state by analyzing individual feedback strengths.

Mark Serreze, NSIDC Senior Research Scientist, Associate Research Professor, CIRES Fellow, PhD, University of Colorado at Boulder, 1989.  Specialties: Arctic climate; global implications; and climate warming in the Arctic

Andrew Slater, NSIDC Research Scientist II, PhD, University of Colorado at Boulder, 2003 .  Specialties: Land-surface and hydrologic modeling of snow, frozen ground, permafrost; hydrologic forecasting and data assimilation of snow

Eric Steig, Associate Professor, University of Washington.  Eric Steig is an isotope geochemist at the University of Washington in Seattle. His primary research interest is use of ice core records to document climate variability in the past. He also works on the geological history of ice sheets, on ice sheet dynamics, on statistical climate analysis, and on atmospheric chemistry.   More information about his research and publication record can be found here.

Julienne Stroeve, NSIDC Research Scientist III.  PhD, University of Colorado at Boulder, 1996.  Specialties:  Remote sensing of snow and ice in the visible, infrared, and microwave wavelengths

Felicitas Suckow , Global Change and Natural Systems Department, Research Domain II (Climate Impacts and Vulnerabilities),  Potsdam Institute for Climate Impact Research (PIK).  Research Interests:  Vulnerability assessment of goods and services of forest ecosystems: ForEVAS, Forest modeling: forest dynamics model 4C (FORESEE) with focus on modeling of soil processes and Brandenburg Simulator of Environmental and Socio-economic Transformations BEST

Dr. Thibault de Garidel-Thoron is currently a post-doctoral associate at the Institute of Marine and Coastal Sciences at Rutgers University. His main scientific interest is to reconstruct past tropical climate changes using micropaleontological and geochemical proxies from oceanic sediment records.  More information about his research and publication record can be found here.

Michael Tobis.  I am a Research Scientist Associate (in practice, mostly a software engineer) at the University of Texas Institute for Geophysics in the delightful city of Austin. It's not a very exalted position, but I'm lucky to be at this very ambitious institution at all. I do get to think for a living, which makes me happy. I have always been interested in optimal use of information.  I get paid, specifically, to investigate and create formal data-driven constraints on earth system models.  His blog is found here.

Kirsten Thonicke, Earth System Analysis, Potsdam Institute for Climate Impact Research (PIK).  Research Interests:  disturbance and especially fire ecology, human impacts on fire regimes, global fire modelling in DGVMs, paleoclimate fire regimes, coupling fire into vegetation-climate models

Katrin Vohland, Earth System Analysis, Potsdam Institute for Climate Impact Research (PIK).  Research Interests:  Ecosystems and societies are at different degrees vulnerable to climate change. Next to the risk of exposition and the degree of impact, the adaptability is of major interest – and at the same time most difficult to conceptualize and to quantify. I am interested in ecosystem adaptability. That includes a resilient approach of adaptive management as well as the adoption of evaluation systems to manage ecosystem functions in an evoluting environment. Actually, this conceptual discussion will be linked to a research project on the future of German nature conservation areas under climatic change ("Conservation areas").

Werner von Bloh, Research Domain I: Earth System Analysis, Potsdam Institute for Climate Impact Research (PIK).  More than 45 publications in refereed journals and books. A list of publications can be found here.

Andrew Weaver, School of Earth and Ocean Sciences, University of Victoria.  Publications here.

Tingjun Zhang,  NSIDC Senior Research Scientist.  Director (adjunct), Institute of Plateau Meteorology, China Meteorological Administration, CIRES Fellow.  PhD, University of Alaska Fairbanks, 1993.  Specialties: Permafrost and seasonally frozen ground; remote sensing of near-surface soil freeze/thaw cycle; snow cover and soil thermal dynamics

Kirsten Zickfeld, Post Doctoral Fellow, School of Earth and Ocean Sciences, University of Victoria.  Research Interests:  Earth system modelling , Tipping points in the Earth system, Carbon cycle feedbacks on climate, Atlantic meridional overturning circulation and its sensitivity to anthropogenic forcing, Stability of the Indian monsoon under global change, Integrated assessment modeling of climate change and Risk and uncertainty

Scientists at National Snow and Ice Data Center

Scientists from around the world use data housed at NSIDC to support their research. Some of these scientists work here at NSIDC, providing both context and input concerning our data management activities. Through their research, our scientists help further understanding of the many changes that our planet is undergoing.

NSIDC scientists are widely published in such journals as Geophysical Research Letters; Journal of Geophysical Research; Journal of Climate; Arctic, Antarctic, and Alpine Research; EOS, Transactions American Geophysical Union ; and IEEE Transactions on Geoscience and Remote Sensing. Our scientists’ expertise has reached a wide audience through Scientific American, The New York Times, The Washington Post, CNN, and the British Broadcasting Corporation (BBC), just to name a few.

Scientists pursue their work as part of the CIRES Cryospheric and Polar Process Division, University of Colorado, Boulder. National agencies fund research through the peer review proposal process.

Roger Barry
Richard Armstrong
Andrew Barrett
Florence Fetterer
Oliver W. Frauenfeld

Shari Gearheard
Andy Mahoney
Jim Maslanik
Walt Meier
Ted Scambos

Kevin Schaefer
Mark Serreze
Andrew Slater
Julienne Stroeve
Tingjun Zhang

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Climate Science Skeptics

For purposes of this website, a climate science skeptic is a climate scientist (or a scientist in a related field) who disagrees either the concept of global warming or disagrees with some of the methodologies that are commonly used.  Not all in this list disagree with the premise that anthropogenic global warming (AGW) is happening and that it does, and will continue, to cause major problems for mankind.  Explicitly excluded from this list are global warming deniers.  These are people who are not climate scientists and who reject the science out of hand with no reason that is legitimately based on science (though frequently they quote elements of the science taken out of context.)

Richard S. Lindzen,  MIT,  Alfred P. Sloan Professor of Meteorology, Department of Earth, Atmospheric and Planetary Sciences.  Professor Lindzen is a dynamical meteorologist with interests in the broad topics of climate, planetary waves, monsoon meteorology, planetary atmospheres, and hydrodynamic instability.   His research involves studies of the role of the tropics in mid-latitude weather and global heat transport, the moisture budget and its role in global change, the origins of ice ages, seasonal effects in atmospheric transport, stratospheric waves, and the observational determination of climate sensitivity. on Richard Lindzen.

Roger A. Pielke Sr.  Senior Research Scientist, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado in Boulder , Emeritus Professor of the Department of Atmospheric Science Colorado State University.  For Dr. Pielke's perspectives on climate science click here.

Roger A. Pielke, Jr. has been on the faculty of the University of Colorado since 2001 and is a Professor in the Environmental Studies Program and a Fellow of the Cooperative Institute for Research in Environmental Sciences (CIRES).  Roger's current areas of interest include understanding the policy and politics of science in decision making in a range of areas.

Roy W. Spencer is a principal research scientist for University of Alabama in Huntsville. In the past, he served as Senior Scientist for Climate Studies at NASA's Marshall Space Flight Center in Huntsville, Alabama. Spencer is a recipient of NASA's Medal for Exceptional Scientific Achievement.  He is principally known for his satellite-based temperature monitoring work, for which he was awarded the American Meteorological Society's Special Award. He is also a supporter of intelligent design and is skeptical of the scientific consensus that human activity is primarily responsible for global warming.

Joseph D'Aleo  is a retired meteorologist who is a well known climate change skeptic. He contributes to publications such as Tech Central Station, where he is described as "the first Director of Meteorology at the cable TV Weather Channel. He has over 30 years experience in professional meteorology. Mr. D’Aleo was Chief Meteorologist at WSI Corporation and Senior Editor and “Dr. Dewpoint” for WSI’s popular web site. He is a former college professor of Meteorology at Lyndon State College.

Marc Morano runs the climate website for the Committee for a Constructive Tomorrow, a conservative environmental think tank. Until spring of 2009, Morano served as communications director for the Republicans on the U.S. Senate Committee on Environment and Public Works. Morano commenced work with the committee under Senator James Inhofe, who was majority chairman of the committee until January 2007 and is now minority ranking member. In December 2006 Morano launched a blog on the committee's website that largely promotes the views of climate change skeptics.

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