A segment of the video below explains that it is the granola heads that have destroyed the environment. It made me rethink the intense conflict between the cattle ranchers and "sod busters" in the 1800's.

Skip to 42:54 for the environment part.

Dr. Gary Fettke: The Role of Nutrition in Everything

https://www.youtube.com/watch?time_...1&v=ctkvriSwX8I