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.

The Sustainable Hour no 413 with Rebecca Evered, sustainability manager at Cleanaway, Jasmine Speers from AusRegen and carbon consultant Heidi Fog.

Guest in The Sustainable Hour no 412 is psychologist and climate activist Jane Morton with advice on how we can use our preferential voting system to give climate-concerned candidates the best chance of overall success.

Our guest in The Sustainable Hour no 411 on 11 May 2022 is Bellingen-based Uniting Church minister and Landcare co-ordinator Jason John.

Our guest in The Sustainable Hour on 4 May 2022 is Newcastle surgeon Dr Robert Eisenberg who started www.voteearthnow.com which provides a 'How to vote' guide for climate concerned voters.

The Sustainable Hour no. 409 with Edible Forest founder Louise Ward and head gardener Jaimie Sweetman, followed by Ken Dickens from Western Composting Technologies.

Our guests in The Sustainable Hour no. 408 are Lauren Dillon, Mia Hunter and Montana Morgan from Clonard College in Geelong.

The Sustainable Hour no. 407 with Deb Leonard, independent candidate for Monash, Adam Tyson from Voices for Monash, and Danny Noonan from Fireproof Australia.

Guest in The Tunnel on 6 April is Robert Patterson from Geelong Renewables Not Gas. We hear excerpt of speeches from UN Chief Antonio Guterres, Labor leader Anthony Albanese and Geelong climate activist Lauren Dillon.