Ozzie Zehner
Godfrey Boyle
M.Gopala Rao
United States. General Accounting Office
John Twidell
Thomas L. Friedman
Daniel Yergin
Unknown Author
Keith A. Williams
Phoebe Wagner
Nicholas Jenkins
Yebo Li
James Howard Kunstler
Stephen Peake
David J.C. MacKay
James Lovelock
Fred J. Sissine
Vaclav Smil
Gilbert M. Masters