Happen Films. 2015. David Holmgren Interview on Permaculture, Energy Descent & Future Scenarios. Video. Retrieved from youtube.com/watch?v=uqwWdranB5A.
From the video's description, “David Holmgren is the co-originator, with Bill Mollison, of permacuture. This is the full interview we shot with him for our film “A Simpler Way: Crisis as Opportunity”. We can only ever fit in a few minutes' worth of the amazing interviews we get to shoot, so here's the whole thing for people who want to get into the nitty-gritty!”