| 2022 Thomas Meyer | |
| |
| 2020 Thomas Foti | |
| 2019 Reed Noss | |
| 2018 William (Bill) Weeks | |
| 2017 Larry Smith | |
| 2016 John O. Sawyer | |
| 2015 Sylvia Taylor | |
2014 Paul Knoop | |
2013 Fran Harty | |
2012 Joan Seevers | |
2011 Richard Thom | |
2010 David Brunckhorst | |
2009 Hal DeSelm | |
2008 Elsie Quarterman | |
2007 John Bacone | |
2006 Charles Van Riper III | |
2005 John Humke | |
2004 James Bissell | |
2003 Wilbur Mayhew | |
2002 W. Leon Neel | |
2001 Margaret Hames | |
2000 John Schwegman | |
1999 The Babbit Family | |
1998 Dr. Edward G. Voss and Bertha Daubendick | |
1997 Dr. Robert E. Frenkel | |
1996 The Prairie Triad pioneers of prairie preservation in northern Illinois: | |
| |
1995 Dr. Alton A. Lindsay and John Wylie Chief, Natural History Division, Missouri Department of Conservation | |
1994 William Barnes | |
1993 Dr. Richard Goodwin | |
1991 Charles A. Wellner | |
1990 Jerry F. Franklin | |
1989 Dr. Robert E. Jenkins | |
1987 Clifford E. Germain |
2021 Ellen Jaquart | |
| |
| 2019 Mentor Marsh Stewardship Team, Cleveland Museum of Natural History | |
| 2018 Joyce Bender | |
2017 Bill Kleiman | |
| 2016 Jenny Cruse-Sanders | |
2015 Martin Blaney | |
2014 Lee Casebere | |
| 2013 The Stewardship Network | |
| 2012 Southern Illinois Invasives Strike Team | |
2011 Brevard County Environmentally Endangered Lands Program | |
2010 Joe Woolbright | |
| 2008 Gary Milano | |
| 2007 Jeff Krause | |
2006 Wilton Wildlife Preserve and Park, Diablo Trust, Albany Pine Bush Preserve Commission | |
| 2005 Okefenokee Wildlife League (OWL) | |
2004 Humboldt Bay National Wildlife Refuge Keith and Mary Blackmore | |
| 2003 Wilton Wildlife Preserve and Park | |
2002 Dr. Dennis Nyberg | |
| 2001 Monterey Pine Forest Watch |
Join the people who protect and manage our natural areas.