Our guest in The Sustainable Hour no 314 on 20 May is David Holmgren, co-founder of the permaculture movement, and author of ‘RetroSuburbia’, a guide to life in a post-carbon world.

Our guest in The Sustainable Hour no 314 on 20 May is David Holmgren, co-founder of the permaculture movement, and author of ‘RetroSuburbia’, a guide to life in a post-carbon world.
Surf Coast Shire Council has declared a climate emergency – we talk with Alex Marshall who helped make it happen. Ben Shaw and Mark Randall are guests in the studio.