Conversations in sustainability

Conversations with Lina Goodman, Tyre Stewardship Australia 04.05.2026 15:47 ↓

What happens to the millions of tyres Australia throws away every year - and why aren’t more of them becoming something new? In this episode of Conversations in Sustainability, Dr Lisa Portolan speaks with Lina Goodman, CEO of Tyre Stewardship Australia, about one of the country’s most overlooked waste challenges. From “free-riders” and illegal dumping to the limits of voluntary schemes, Lina unpa...

Conversations with Catherine Fitzpatrick, Flequity Ventures 21.04.2026 43:54 ↓

In this episode of Conversations in Sustainability, we sit down with Catherine Fitzpatrick, founder of Flequity Ventures, to unpack the confronting reality of financial abuse, and how the systems we rely on every day can be quietly weaponised to control and harm.  Drawing on her experience as a senior banking executive, Catherine shares how analysing millions of transactions revealed hidden patter...

Conversations with Professor Veena Sahajwalla, SMaRT Centre UNSW 09.04.2026 39:49 ↓

In this episode of Conversation in Sustainability, we speak with Professor Veena Sahajwalla, SMaRT Centre, UNSW, explores how innovative recycling technologies are transforming the way society thinks about waste. Rather than viewing discarded materials as useless, Professor Sahajwalla emphasises that waste should be understood as a valuable resource that can be reprocessed into new, high-quality p...

Conversations with Matt Bray, Hothouse Magazine & Comms Declare  26.03.2026 27:47 ↓

What role does creativity play in climate action?  In our latest episode of Conversations in Sustainability, Dr Lisa Portolan sits down with Matt Bray, environmental activist, founder of Hothouse Magazine & Studio, and Vice President & Creative Director of Comms Declare, to explore how storytelling, design, and culture can drive real-world climate impact. From challenging fossil fuel narra...

Conversations with Liz McLaughlin, Horizon - Women's Day Edition 09.03.2026 18:23 ↓

In this special International Women’s Day episode of Conversations in Sustainability , host Dr Lisa Portolan turns the spotlight inward to speak with Horizon’s Founder, Liz McLaughlin. With more than 25 years in strategic communications and public relations, Liz has helped organisations navigate complexity, manage crises and lead through change across both the public and private sectors. In this c...

Conversations with Michael Bullock and Giuseppe Serpentino, Biesse 08.03.2026 21:21 ↓

In our latest episode, we’re joined by Michael Bullock and Giuseppe Serpentino from Biesse , one of Italy’s most iconic machinery manufacturers. At first glance, industrial machinery might not seem like a sustainability leader - but Biesse is quietly changing that. From circular design and modular repairability to hydrogen-powered innovation, their machines are built to last decades, reduce waste,...

Conversations with Lindsay Hermes, Australian Sustainable Seaweed Alliance 04.12.2024 18:57 ↓

Lindsay Hermes joins us to talk about Australia's growing sustainable seaweed industry. Get your tickets to Seagriculture Asia-Pacific here .