SUBSTANCE

CO₂ is one of the gases most closely linked to global warming, but it is also deeply embedded in how modern industry and cities function. In this episode of SUBSTANCE, host Joe Hanson explores what it will take to reduce emissions in two places that matter enormously for the climate: industrial production and urban design

Fabrics and fashion are deeply tied to sustainability – not least because the scale of production and consumption means huge volumes end up as waste or pollution. This episode of SUBSTANCE asks what it would take to “close the loop” and move fabrics toward a circular economy. Host Joe Hanson draws on perspectives from both the Hong Kong–based nonprofit Redress and BASF in his exploration of why circularity is a useful way to turn intent into action; from designing for durability, repair and recyclability to building the systems needed for collection and sorting.

In this episode, our host Joe Hanson discusses a SUBSTANCE that is literally vital: water. Former NASA expert, now entrepreneur Diana Yousef and BASF scientist Ligia Azevedo make it clear in their stories, that the economical use of clean drinking water is essential for our survival and how new technologies can help us preserve it.

In this episode of SUBSTANCE, host Joe Hanson explores the surprising power of fungi with artist-turned-entrepreneur Phil Ross and BASF scientist Dr. Birgit Hoff. Far from being just mold or mushrooms, fungi are nature’s recyclers and bio factories, capable of producing antibiotics, vitamins, and even sustainable materials for fashion, packaging, and construction.

Plastics are everywhere – but can they ever be truly sustainable? In this episode, host Joe Hanson asks how plastics fit into a circular economy – a system designed to minimize waste and maximize resource efficiency. From the familiar mantra of reduce, reuse, recycle to innovative strategies that go far beyond recycling, this conversation dives into what it takes to create a sustainable future for plastics and how waste can become a resource.