🦜 Volts | David Roberts | Substack
@www.volts.wtf.podcast@rss-parrot.net
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Volts is a podcast about leaving fossil fuels behind. I've been reporting on and explaining clean-energy topics for almost 20 years, and I love talking to politicians, analysts, innovators, and activists about the latest progress in the world's most important fight. (Volts is entirely subscriber-supported. Sign up!)
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Taming the hydrogen hype
https://www.volts.wtf/p/taming-the-hydrogen-hype
Published: May 14, 2025 16:02
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 and technical hurdles that make widespread hydrogen…
Trying to bring geothermal heat pumps to scale
https://www.volts.wtf/p/trying-to-bring-geothermal-heat-pumps
Published: May 9, 2025 16:02
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 designed its own drills and heat pumps, and with a new…
How is public transit doing in the US?
https://www.volts.wtf/p/how-is-transit-doing-in-the-us
Published: May 7, 2025 16:02
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 without strangers. We unpack the myths that plague buses,…
The coolest new home electrification widget
https://www.volts.wtf/p/the-coolest-new-home-electrification
Published: May 2, 2025 16:02
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 this is key to accelerating electrification and examine…
The governor of Illinois discusses decarbonization in the era of Trump
https://www.volts.wtf/p/the-governor-of-illinois-discusses
Published: April 30, 2025 16:02
In this episode, I speak with Illinois Governor JB Pritzker, one of the depressingly few Democratic leaders showing real fight in the face of Trumpism. We get into the weeds on how Illinois is defending its climate laws, advancing clean energy and…
Me, on the Climate Papa podcast
https://www.volts.wtf/p/me-on-the-climate-papa-podcast
Published: April 25, 2025 16:02
In this episode, the tables are turned: I'm the guest of the Climate Papa podcast, interviewed by host Ben Eidelson. We discuss the nested fractal puzzle of decarbonization, the critical importance of the grid and urban land use, and why now is the most…
What's up with hydrogen-electric aviation?
https://www.volts.wtf/p/whats-up-with-hydrogen-electric-aviation
Published: April 23, 2025 16:02
My guest, Val Miftakhov of ZeroAvia, argues that hydrogen fuel cells paired with electric motors are the key to decarbonizing aviation. We discuss why he prefers his solution to sustainable aviation fuels or batteries, the challenges and misconceptions…
What the F is happening? Part 2
https://www.volts.wtf/p/what-the-f-is-happening-part-2
Published: April 21, 2025 16:03
This is a free preview of a paid episode. To hear more, visit www.volts.wtfI talk to Emily Pontecorvo (Heatmap) and Jeff St. John (Canary Media) to grapple with the latest Trump administration moves impacting climate and energy policy. We discuss the…
How is decarbonization going in the UK?
https://www.volts.wtf/p/how-is-decarbonization-going-in-the
Published: April 18, 2025 16:02
In this episode, I dive into the UK's decarbonization journey with Lucy Yu of the Centre for Net Zero. We discuss how the UK has become a world leader in offshore wind while lagging in heat pump adoption, why electricity market reform is essential to…
What in tarnation is going on in Texas?
https://www.volts.wtf/p/what-in-tarnation-is-going-on-in
Published: April 16, 2025 16:02
I'm joined by “Texas Doug” Lewin to unpack the fascinating contradictions of a state that inadvertently became the nation's renewable energy powerhouse through a free market electricity system that its politicians now seem bent on strangling. Bills before…