| 2022 | Michael Dillenbeck, Kern County Public Works and Jon Parker, Kern Water Bank Authority | Kern River Bike Path Extension |
| 2022 | Chris James, GET Bus | Hydrogen Fueling Station |
| 2020/21 | Golden Empire Transit | Hydrogen Buses |
| 2020/21 | City of Bakersfield | Kentucky Street Project |
| 2019 | No award given | |
| 2018 | LED Retrofit Project | City of Bakersfield |
| 2017 | Wellhead Nitrate Demonstration Treatment Plant | City of Delano |
| 2016 | City of Tehachapi Public Works & Utilities Department | |
| 2016 | City of Bakersfield’s Kit Fox Habitat Program | |
| 2015 | James H. Gregory | |
| 2015 | Airport Valet Express | |
| 2014 | Kern Transit | |
| 2013 | No award given | |
| 2012 | Kern Green | |
| 2012 | City of Bakersfield’s Solid Waste Division | |
| 2012 | Uplands of Kern River Parkway | |
| 2011 | Falcon Autistic Solar Team | Independence High School |
| 2010 | City of Taft | “Vision for the Future” |
| 2009 | Kern County Water Agency | |
| 2009 | City of Maricopa | |
| 2008 | Kevin Crosby | Weedpatch |
| 2008 | Greening Arvin | |
| 2007 | Lucinda Sue Crosby | Ridgecrest |
| 2006 | No award given | |
| 2005 | John O’Gara | Naval Air Weapons Station (NAWS) |
| 2004 | Donna Thomas | Mojave Desert Mountain Resource Conservation & Development Council |
| 2004 | Dwight Deakin | Edwards Air Force Base |
| 2003 | Christopher J. Rush | Edwards Air Force Base |
| 2002 | Golden Empire Transit District | Clean Burning Fuel Bus Conversion |
| 2001 | Joe O’Bannon | Contributions to Better Air Quality |
| 2000 | No award given | |
| 1999 | Community Clean Sweep | |
| 1998 | No award given | |
| 1997 | Project Clean Air | |
| 1996 | Kern River Parkway Foundation | |
| 1996 | Water Recreation & Recharge Program | Kern River Parkway |
| 1995 | Elk Hills Naval Petroleum Reserve | Endangered Species Program |
| 1994 | Kern County General Services | |
| 1994 | U.S. Naval Petroleum Resources | |
| 1994 | Antoinette Pappas, David Charlton, Raymond Romero & Ric Williams | Edwards Air Force Base |
| 1993 | Ag Clean Air Task Force | |
| 1993 | Kern County Board of Trade | |
| 1993 | Bakersfield Habitat Conservation Plan | |
| 1992 | Kern County Waste Management Department | |
| 1991 | Michael V. Phillips | Edwards Air Force Base |