Volts

David Roberts
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17 snips
Oct 3, 2025 • 37min

Can advance market commitments jumpstart climate’s hardest sectors?

In this discussion, Clay Dumas, managing partner at Lowercarbon Capital, dives into advance market commitments (AMCs), a strategy to boost hard-to-decarbonize sectors like carbon removal and green steel. He emphasizes how AMCs mitigate investment risks and foster innovation by ensuring buyers commit to purchasing products under development. Clay shares insights on designing effective AMCs and their potential to reshape production and supply chains. He also highlights the importance of careful specifications to avoid pitfalls in AMC implementation.
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51 snips
Oct 1, 2025 • 1h 7min

Could we get hyperscalers to buy heat pumps for households?

Ari Matusiak, Head of Rewiring America, and Carla Peterman, sustainability leader at PG&E, team up to discuss a groundbreaking proposal: can hyperscalers fund household electrification to alleviate grid pressure? They explore the potential of reframing households as essential energy infrastructure. The duo delves into how utilities view this capacity, the promise and challenges of virtual power plants, and the need for a customer-centric approach to facilitate widespread adoption. This innovative strategy could enhance tech companies' social licenses while empowering everyday families.
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Sep 24, 2025 • 1h 1min

How to clean up beer brewing and other low-temperature industries

In a thought-provoking discussion, Richard Hart, from the ACEEE, and Teresa Cheng of Industrious Labs tackle the vital yet overlooked topic of decarbonizing low-temperature industrial heat used in industries like beer and dairy. They explore how electrification, through heat pumps and thermal storage, can transform these sectors. The guests delve into the financial incentives needed for adoption, the impact on grid reliability, and the crucial steps needed to engage stakeholders and shift toward cleaner technologies, making it clear that coordination is key for real progress.
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12 snips
Sep 19, 2025 • 40min

How can Africa benefit from the critical-minerals rush?

In this discussion, Patrick Kipalu, a representative of the Rights and Resources Initiative, shares his insights on the potential for Africa to benefit from the critical minerals rush. He emphasizes the importance of indigenous land rights and community consent to prevent the historical resource curse. Kipalu highlights how these approaches can foster stable and equitable development. The conversation dives into geopolitical dynamics, the necessity of local governance reforms, and innovative models for benefit-sharing, aiming for a future where Africa's resources truly uplift its people.
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16 snips
Sep 17, 2025 • 54min

Are we finally getting 3D-printed batteries?

Karl Littau, CTO of Sakuu and a materials scientist known for his work in sustainability, discusses revolutionary dry printing technology for batteries. He reveals how this method eliminates toxic solvents and drastically reduces environmental impact. Sakuu claims it can print multiple battery types with efficiency and speed. Littau also explores innovations such as new materials, applications for supercapacitors, and the future of distributed printing, suggesting a world where batteries are custom-made efficiently and safely.
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24 snips
Sep 10, 2025 • 1h 16min

The debate over renewable energy certificates (RECs)

Michael Leggett, from Evergreen, and Peggy Kellen, a seasoned expert in greenhouse gas policies at the Center for Resource Solutions, dive into the complex world of renewable energy certificates (RECs). They debate the proposed '24/7' model for matching energy consumption with renewable production. Michael and Peggy explore the implications of such reforms—how they could impact market participation, transparency in sustainability claims, and the pace of decarbonization. Tune in to discover the nuances of RECs and their critical role in the renewable energy landscape!
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34 snips
Sep 5, 2025 • 1h 2min

How inverters can stabilize a renewables-heavy grid

Daniel Duckwitz from SMA Solar Technology, and Katerina Augusto, a renewable energy engineer with Solar Power Europe, dive into the crucial role of inverters in stabilizing modern electricity grids. They discuss the shift from traditional fossil fuels to inverter-based resources like solar and wind. The conversation covers the concept of grid-forming versus grid-following inverters, the advantages of synthetic inertia, and the need for robust policies to support these vital technologies. They also touch on real-world examples of successful grid stabilization efforts.
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16 snips
Sep 3, 2025 • 1h 19min

What's the deal with sodium-ion batteries?

Landon Mossburg, CEO of Peak Energy and former leader at Tesla and Northvolt, discusses the exciting world of sodium-ion batteries. These batteries offer longer life and lower costs compared to their lithium-ion counterparts, thanks to innovative passive cooling designs. Mossburg also highlights the chance for the U.S. to enter the battery market and compete geopolitically, especially against China. He delves into the economic benefits, safety, and environmental impact of sodium-ion technology, showcasing its potential to transform energy storage.
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13 snips
Aug 27, 2025 • 56min

Climate philanthropy in a time of Trump

Dan Stein, founder of Giving Green and chief economist at ID Insight, delves into the intersection of climate philanthropy and effective altruism. He discusses the challenges of measuring impactful change against a backdrop of fossil fuel dominance. The conversation navigates the balance between technocratic solutions and grassroots activism, reflecting on political barriers and the pressing need for informed, strategic donations. Stein emphasizes the importance of local partnerships and the urgent call for progressive collaboration to combat rising authoritarianism in climate advocacy.
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82 snips
Aug 20, 2025 • 1h 17min

What does clean energy activism look like?

Veteran climate activist Bill McKibben, founder of 350.org, and Jamie Henn, co-founder of the same organization and founder of Fossil Free Media, discuss the future of clean energy activism. They celebrate the global rise of solar power as not just an energy source but a symbol of freedom. The duo explores effective grassroots strategies, the importance of communication in the clean energy narrative, and how solar initiatives can transform industries and empower communities. They also highlight the thrilling community engagement in the movement.

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