• 1986 Lecturer for WHRO-TV series, Earth Science for Teachers, Norfolk, VA
• 1986 Lecturer at the AMS Advanced Institute on Chemistry and Meteorology, Oak Ridge, TN, October, 1986
• 1989 - present Visiting Lecturer in the Department of Geological and Geophysical Sciences, and the Program in Atmospheric and Oceanic Sciences, Princeton University, Princeton, NJ
• 1989 - present Adjunct Professor in the School of Geophysical Sciences, Georgia Institute of Technology, Atlanta, GA
• 1990 [fall] Visiting Professor of Atmospheric, Oceanic and Space Studies, College of Engineering, University of Michigan, Ann Arbor, MI
• 1994 [spring] Visiting Professor at the University of Iowa's Center for Global and Regional Environmental Research
• 1996 [spring] Visiting Professor at the University of Iowa's Center for Global and Regional Environmental Research