Carleton Lee was a pioneer in the field of environmental medicine. This award is given to individuals in recognition of exemplary efforts in furthering the principles of Environmental Medicine.

• Mary M. (June) Larson (1987)
• Earon S. Davis, J.D. (1988)
• Jere Glover, J.D. (1990)
• Mary Lamielle (1991)
• Susan R. Molloy, B.A. (1992)
• Natalie Golos (1993)
• Major Richard Haines (1994)
• Betty Zuspann (1994)
• Ilene Buchholz, R.N. (1995)
• Del Stigler, M.D. (1996)
• John G. Maclennan, M.D. (1997)
• Clair A. Farr (1999)
• William G. Crook, M.D. (2000)
• Diane Hovatter (2003)
• Gregory Stavish (2003)
• Alison Johnson (2004)
• Lujene G. Clark (2005)
• Amy Carson (2005)
• Rima Laibow, M.D. (2006)
• Boyd Haley, Ph.D. (2007)
• Vilma Valentine Kinney (2008)
• Jeffrey Smith (2009)
• Lawrence A. Plumlee, M.D. (2010)
• Margaret Sears, Ph.D. (2013)
• Gary R. Oberg, M.D. (2014)
• Leonard McEwen, MB BS (2015)
• Lynn M. Marshall, M.D. (2016)
• Jennifer Armstrong, M.D. (2017)
• William J. Rea, M.D. (2018)
• Gerald D. Natzke, D.O., FAAEM, DIBEM(2019)