Center for the Study of Carbon Dioxide and Global Change
Center for the Study of Carbon Dioxide and Global Change (CO2Science) Background The Center for the Study of Carbon Dioxide and Global Change (CSCDGC) is a 501(c)(3) non-profit organization based in Arizona run by a family of climate change skeptics including Craig D. Idso (Chairman and former President), his father Sherwood B. Idso (President), and […]
Joanne Simpson
Joanne Simpson (Deceased) Credentials Background Joanne Simpson passed away on March 4, 2010. She has been described as the first woman to receive a Ph.D. in meteorology. (PDF)2W. -K Tao, J. Halverson, M. LeMone, R. Adler, M. Garstang, R. Houze Jr., R. Pielke Sr., and W. Woodley. โThe […]
Werner Weber

Werner Weber Credentials Background Werner Weber is an emeritus professor of physics at the Technical University of Dortmund. He has done past research with Bell Laboratories, and was a visiting research scientist at AT&T Bell Laboratories in Murray Hill, NJ. His research areas are in theoretical solid state physics, but his CV (PDF) lists โnew […]
Sebastian Lรผning

Sebastian Lรผning (alt. Luening) Credentials Ph.D., Geology/Paleontology, University of Bremen, Germanyย (1997). [1], [2] Diploma, geology/paleontology, University of Gรถttingen, Germanyย (1994). [1], [2] Background Sebastian Lรผning (alternatively spelled Sebastian Luening) is a geologist currently working for Portuguese oil and gas energy corporation, Galp Energia, according to his LinkedIn profile. ย He formerly worked for the oil and gas […]
Fritz Vahrenholt
Fritz Vahrenholt Credentials Background Fritz Vahrenholt has been an honorary professor in the Department of Chemistry at the University of Hamburg since 2009. Since 2012, he has served as head of Deutsche Wildtier Stiftung (German Wildlife Foundation), a small private foundation which, among other deeds, argues that wind power threatens biodiversity and harms wildlife. He […]
Tim Phillips
Timothy R. Phillips Credentials B.A., Political Science, Virginia Tech University. Background Phillips is the former president of the non-profit organizations Americans for Prosperity (AFP) and Americans for Prosperity Foundation. He resigned in 2021 after AFP investigated him for “a matter of integrity that violatedโ […]
Joanne Nova
Joanne Nova Credentials Background Joanne Nova (real name Joanne Codling) has been described as โone of Australiaโs more prominent ‘climate change sceptics’.โ She believes that carbon may have โlittle effectโ on the atmosphere. 2โJO NOVAโS BIG CLAIM: HASNโT ANYONE CONSIDERED IF CO2โS EFFECT IS LIMITED?โ WatchingtheDeniers, March […]
Nir Shaviv
Nir J. Shaviv Credentials Background Nir J. Shaviv is an associate professor of Physics at the Racah Institute at the The Hebrew University of Jerusalem. He contends that the sun’s rays are the primary driver of climate change. […]
Harrison Schmitt
Harrison H. โJackโ Schmitt Credentials Background Dr. Harrison Hagan โJackโ Schmitt is a geologist who worked as a scientist-astronaut with NASA from 1965 to 1975. He is noted as being the last of the Apollo astronauts to arrive and set foot on the Moon.1โBiographical Data: Harrison H. Schmitt (Ph.D.),โ Lyndon B. Johnson Space Center. Archived […]
Roger Cohen
Roger Cohen (Deceased) Credentials Background Roger W. Cohen was a former Manager of Strategic Planning and Programs at ExxonMobil Corporation, where he retired in 2003. Cohen passed away in September 2016. 2โVale Roger Cohen PhD (updated),โ The Climate Skeptics Party, September 13, 2016. Archived March […]