Permaculture changed the way 'Farmer Greg' Peterson and The Bee Oasis' Don Titmus designed their gardening. Emphasis on regenerative culture over sustainability. Working with nature, not against it. They explain in detail was permaculture involves and its principals for gardens that eventually regenerate themselves thru these principals.
Original broadcast archive page with expanded content
https://rosieonthehouse.com/podcast/outdoor-living-hour-urban-farming-permaculture-with-greg-peterson-of-the-urban-farm-don-titmus-of-bee-oasis/