Guests in The Sustainable Hour on 3 August 2022 are Amy Calton from Wombat Action Group, Gayle Osborne from Wombat Forestcare and Kate Hardy from Australian Conservation Foundation.

Guests in The Sustainable Hour no. 422 on 27 July 2022 are Rochelle Rich and Dawn O'Neill. We also play clips from the American president and the UN General-Secretary.

The Sustainable Hour no. 421 with Adrian Whitehead and Bryony Edwards from Climate Rescue - and Dr. Elizabeth Boulton from Destination Safe Earth

Our guest in The Sustainable Hour on 13 July 2022 is Alex, a Blockade Australia activist. We also listen to Sal Fisher's and Lauren Dillon's presentations to the Commission of Enquiry into Viva Energy's gashub.

The Sustainable Hour no 419 with Dr Robyn Gulliver, director for the Commons Social Change Library, and carbon consultant Heidi Fog.

Guest in The Sustainable Hour no. 418 is ecologist and scientist Harald Ehmann. Heidi Fog delivers the sixth episode of her carbon-cutting 'Sustainable Endpoint' series.

The Sustainable Hour no. 417 with Steven Hail and Gabrielle Bond about an exciting new eco-economics course at Torrens University in Adelaide, and a tribute to climate strategist Philip Sutton who died suddenly last week.

The Sustainable Hour on 15 June 2022 with 31-year-old climate activist and "conscientious objector" Violet CoCo, and curator and mangroves artist Zahidah Zeytoun Millie.

The Sustainable Hour no. 415 with Annie Bond, Ian Fox, Cathy Cox and Gabi Bond from Extinction Rebellion South Australia and Scientist Rebellion.

The Sustainable Hour no. 414 with Jenny Hurley, a member of Geelong Climate Choir, and Matt Bray and Andrew Rovenko from ArtDisrupt who are currently running an art exhibition in Melbourne.