Sylvan H. Wittwer

Sylvan H. Wittwer was, according to a November 2000 biographical note, "Director Emeritus of the Agricultural Experiment Station at Michigan State University and Professor Emeritus of Horticulture. Dr. Wittwer also conducted the original studies on atmospheric CO2 enhancement of the production of food crops. Chairman of the Board on Agriculture of the National Research Council from 1973 to 1977, Dr. Wittwer has served as a consultant for all International Agricultural Research Centers, all U.S. federal agencies relating to agriculture and environment, the United Nations Development Program and the World Bank. Dr. Wittwer is also the author of more than 750 peer-reviewed studies as well as the book Food, Climate, and Carbon Dioxide (CRC Press, 1995)."

Global warming skeptic
Between December 1998 and November 2000 he was listed as a "Scientific Adviser" to the Greening Earth Society, a group that was funded and controlled by the Western Fuels Association (WFA), an association of coal-burning utility companies. WFA founded the group in 1997, according to an archived version of its website, "as a vehicle for advocacy on climate change, the environmental impact of CO2, and fossil fuel use."

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