As others have noted, the wikipedia entry is a great resource. I was introduced to it on this podcast episode: https://podcasts.apple.com/us/podcast/permacultu

As others have noted, the wikipedia entry is a great resource. I was introduced to it on this podcast episode: https://podcasts.apple.com/us/podcast/permaculture-for-the-future/id1494403834?i=1000466849140 https://podcasts.apple.com/us/podcast/permaculture-for-the-f...