Richard Norby works in the Environmental Sciences Division of Oak Ridge National Laboratory and is an adjunct faculty member of the Department of Ecology and Evolutionary Biology at the University of Tennessee, Knoxville. He holds a B.A. in Chemistry from Carleton College and a Ph.D. in Forestry and Botany from the University of Wisconsin-Madison. His research activities include forest tree physiology, plant physiology ecology, physiological responses of plants to environmental stress, and global change effects of atmospheric CO2 enrichment on tree growth and forest metabolism.