A. Scott Denning is a climate scientist and professor of atmospheric science at Colorado State University, whose faculty he joined in 1998.
[3] He then spent two years as an assistant professor in the Donald Bren School of Environmental Science and Management at the University of California at Santa Barbara.
[3] He joined the faculty of Colorado State University in 1998, and become the director of education for the Center for Multi-Scale Modeling of Atmospheric Processes in 2006.
[6][7] Denning has appeared twice at the Heartland Institute's International Conference on Climate Change.
In 2011, Denning debated skeptical climatologist Roy Spencer at the 6th International Conference on Climate Change.