The Tree Reich. . Edited E Hark , and Themes Geller How Green Were the Nazis? Nature, Environment. and N/ thm' in the Third Reich. Genghis Khan was actually the greenest conqueror ever. The Tree Reich Edited E Hark and Themes Geller How Green Were the Nazis? Nature Environment N/ thm' in Third Genghis Khan was actually greenest conqueror ever