Gary Snyder, Llewellyn Vaughan-Lee, Fabiana Fondevila, Vandana Shiva, Satish Kumar, Dolores LaChapelle, Derrick Jensen, Lierre Keith, Vine Deloria, Fred Hageneder, Tanis Helliwell, Andreas Lentz, Anton-Andreas Guha, Jack Adam Weber, Marko Pogačnik, Jenny Garrison, Catharina Roland, Coco Burckhardt, Andrea Wichterich, Elizabeth E. Meacham, Anna Zemann, Waltraud Hönes, Matthias Blaß, Mary Thompson Reynolds