Sea Change Radio

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Umair Irfan + Shon Hiatt: Renewable Energy Chronicles

September 22, 2026

This week on Sea Change Radio, we revisit two conversations focused on renewable energy technology. First, we speak with Umair Irfan, a Climate Reporter from Vox.com, to examine air conditioning and how some of the planet’s hottest cities are trying to survive in the face of consistent, record-breaking high temperatures. We talk about how breakthroughs in the battery storage sector provide some hope that the renewable energy market will continue to grow. Then, we hear from University of South...

All Pooped Out: Rethinking Human Waste With Nick Kawa

September 15, 2026

As we are reminded by the popular children’s picture book by Taro Gomi, everyone poops. But not everyone disposes of that poop in the same way. In many countries, waste is carried away by potable drinking water, while in other places the scarcity of water has prompted different approaches. This week on Sea Change Radio, we speak with Nick Kawa, an anthropology professor at Ohio State University and the author of “After the Flush: Rethinking the Future of Human Waste.” We take a look at ...

Wonder Materials: Bryan Guido Hassin of DexMat (re-broadcast)

September 08, 2026

Copper and steel were pivotal to the industrial revolution. But these days, it’s clear that continued reliance on these substances as our key building materials has devastating environmental implications, including habitat destruction from open-pit mining, water toxification from acid mine drainage, and air pollution from sulfur dioxide emissions. Fortunately there’s an emerging array of cutting-edge materials that hold promise for eco-conscious developers. A company named DexMat ...