- William E. Rees
- Mathis Wackernagel
- Joshua Wolfe
- Sean Brickell
- United Nations Environment Programme
- Gavin Schmidt
- David Engwicht
- Jill H. Podjasek
- John Whittaker
- Russell L Culp
- Sterling Evans
- James Henry Emerton
- Billie Jay Jay Sahley
- John Arthur Hoyt
- Sandra Janoff
- Patti Putnam
- Steven & Ruth Bennett
- Lorraine M. Elliott
- Robert Harrington
- William C. Blackman Jr.