Stewart Brand
Van Jones
Wiesław Ciechanowicz
Craig R. Humphrey
Ann Heinrichs
University of Oklahoma. Science and Public Policy Program
Amulya K. N. Reddy
United States. General Accounting Office. RCED
Vaclav Smil
Samīr Maḥmūd Wālī
José Goldemberg
Jonathan M. Cullen
P. D. Moskowitz
Public Service Commission of Maryland.
Paul I. Liu
David S. Scott
S. N. Yadav
Ralph Torrie
Tobias Wittmann
Flow Resources Corporation.