Peter Finke
James Lovelock
Carolyn Merchant
Thorsten Schäfer
Tina Eichner
Brunhilde Bross-Burkhardt
Gertrud Franck
Michael Pollan
Fred Pearce
Andreas Weber
Johann Brandstetter
Tim Jackson
Bertram Weisshaar
Rob Hopkins
Ute Scheub, Stefan Schwarzer
Charles Dowding
Juliet B. Schor