Podcast Episodes

How to reduce the impact of mining

In this episode, I chat with Johanna Wolfson, co-founder of Azolla Ventures, about their unique philanthropic-backed VC model tackling the tough problem of sustainable mining for the clean energy tra…

Published on 2 months, 3 weeks ago

What the F is happening? Part 3

This is a free preview of a paid episode. To hear more, visit www.volts.wtf

This week on "What the F is Happening" (periodic episodes in which we reluctantly discuss current events) we talk with Adria…

Published on 2 months, 4 weeks ago

Parking reform in Washington, parking reform everywhere!

In this episode, I talk with Catie Gould and Alan Durning of the Sightline Institute about the "dark matter" of urban land use: parking — specifically, the municipal parking mandates that help make h…

Published on 2 months, 4 weeks ago

The past and future of community choice aggregation

This week, I chat with Dawn Weisz of MCE Clean Energy about the nitty-gritty of community choice aggregation, where local governments take control of their electricity procurement. We get into issues…

Published on 3 months ago

A "Google Maps for electrons"

In this episode, I sit down with Page Crahan, who leads Tapestry, an audacious effort to “make the grid visible.” We explore how disparate, scattered data sources can be stitched together by AI into …

Published on 3 months ago

Embedding intelligence at the edge of the grid

In this episode, I’m joined by Marissa Hummon, whose team partnered with NVIDIA to tuck a credit-card-sized GPU computer with AI software into the humble electricity meter. We discuss how that edge c…

Published on 3 months, 1 week ago

Taming the hydrogen hype

The hype about hydrogen is back with a vengeance, and thus, so is Joe Romm, who just issued a revised and updated version of his 2003 book The Hype About Hydrogen. We discuss the persistent economic …

Published on 3 months, 1 week ago

Trying to bring geothermal heat pumps to scale

In this episode, I chat with Kathy Hannun of Dandelion Energy about ground-source heat pumps, which are twice as efficient as air-source units but still more expensive up front. Dandelion has designe…

Published on 3 months, 2 weeks ago

How is public transit doing in the US?

In this episode, I’m joined by consultant Jarrett Walker to take the pulse of US transit in a world of empty downtown office towers, surging weekend ridership, and the tech elite’s dream of transit w…

Published on 3 months, 2 weeks ago

The coolest new home electrification widget

I catch up with Span CEO Arch Rao to discuss the company's expansion from consumer panels to the utility-focused Span Edge which can be used to create a true distributed power plant. We discuss why t…

Published on 3 months, 3 weeks ago