

Volts
David Roberts
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!) www.volts.wtf
Episodes
Mentioned books

47 snips
Feb 19, 2025 • 1h 14min
What YIMBYs are learning from their victories across the country
Annemarie Gray, who leads Open New York after serving as a policy advisor, and Felicity Maxwell, a dedicated housing advocate in Austin, discuss the YIMBY movement's triumphs in tackling the housing crisis. They share insights on collaboration between cities, including key reforms in New York and Austin. The duo examines the balance of increasing housing supply while addressing community concerns, highlighting the importance of bipartisan support and grassroots movements. Learn how they are paving the way for sustainable urban development.

Feb 14, 2025 • 58min
Austin's quest to reach net zero
Lisa Martin is the Deputy General Manager and COO of Austin Energy, while Michael Enger serves as VP of Energy Market Operations. Together, they discuss Austin's ambitious plan to achieve 100% carbon-free electricity by 2035. Topics include innovative geothermal technology and the potential of green hydrogen as part of the energy strategy. They also cover the complexities of navigating the ERCOT market and the importance of community support in transitioning to renewable energy. Plus, learn about Austin's unique e-ride programs promoting sustainability!

29 snips
Feb 12, 2025 • 1h 10min
Catching up with enhanced geothermal
Tim Latimer, CEO of Fervo Energy, shares insights into transforming geothermal energy with innovative techniques akin to fracking. He discusses the significant cost reductions and the launch of a commercial power plant in Utah, positioning enhanced geothermal systems as key players in the renewable energy landscape. The conversation delves into the partnership between geothermal companies and tech giants, highlighting the pressing energy needs of data centers. Latimer also touches on the future competitiveness of geothermal against natural gas and nuclear energy.

33 snips
Feb 7, 2025 • 1h 7min
What's the deal with enhanced rock weathering to store CO2?
Zeke Hausfather, a climate scientist and communicator at Frontier, dives into the innovative approach of enhanced rock weathering (ERW) to store CO₂. He explains how crushed basalt rock can improve soil health, boost agricultural productivity, and aid carbon sequestration. The discussion covers the logistics of implementing ERW, its advantages over traditional methods, and the challenges of measuring effectiveness. Zeke also shares insights on how farmers might benefit from this technique and its potential role within the broader climate solutions landscape.

98 snips
Feb 5, 2025 • 1h 10min
The cybersecurity implications of a clean-energy grid
Harry Krejsa, Director of Studies at the Carnegie Mellon Institute for Strategy and Technology, dives into the intersection of cybersecurity and clean energy. He discusses how a modern clean energy grid could bolster defenses against China's cyber threats. Krejsa emphasizes the urgent need for collaboration between cybersecurity experts and clean energy advocates to mitigate risks. He also explores the complexities of integrating IT and OT in energy infrastructure and the importance of establishing robust cybersecurity standards as the sector transitions.

63 snips
Jan 29, 2025 • 1h 10min
Chris Hayes on the attention economy
Chris Hayes, MSNBC host and author of "The Siren's Call," dives into the complexities of the attention economy. He discusses how attention has evolved into a valuable commodity, highlighting its implications for society. Hayes explores the internal struggles of self-control in the digital age and the emotional toll of seeking validation online. He warns of potential dystopian outcomes from commodifying attention and emphasizes the need for collective action against misinformation and superficial engagement. The conversation touches on reclaiming the open internet for meaningful connections.

43 snips
Jan 22, 2025 • 58min
What's the deal with pumped-hydro energy storage?
Erik Steimle, Chief Development Officer at Rye Development, shares his insights into closed-loop pumped-hydro energy storage systems. He explains how these innovative projects use artificial reservoirs to provide long-duration storage without harming natural waterways. The discussion highlights the economic potential, longevity, and efficiency of pumped-hydro compared to lithium-ion batteries. Steimle also addresses regulatory challenges, community engagement, and recent bipartisan support aiming to streamline permitting for these crucial renewable energy initiatives.

51 snips
Jan 15, 2025 • 1h 9min
Assembling diverse resources into super-powered "energy parks"
In this conversation, Eric Gimon, lead author on energy parks, shares his insights on large-scale microgrids that integrate renewable sources, storage, and industrial loads. They discuss how these energy parks can accelerate clean energy adoption and offer new economic prospects, while also tackling regulatory challenges. Gimon highlights the unique transformations of retired coal plants into renewable hubs and the complexities of powering data centers with nuclear energy. The discussion sheds light on the financial dynamics and the importance of collaboration in overcoming interconnection hurdles.

60 snips
Jan 8, 2025 • 1h 10min
Organizing local support for clean energy projects
Matt Traldi, co-founder of Greenlight America, discusses the grassroots movement for clean energy. He highlights how local grassroots organizing is vital in overcoming opposition to renewable projects. Traldi shares strategies for mobilizing community support and effective advocacy during crucial government meetings. The conversation delves into fostering strong local networks and navigating nonprofit frameworks for clean energy advocacy. He emphasizes the impact of tangible benefits in rural communities and the importance of aligning clean energy initiatives with community values.

88 snips
Jan 1, 2025 • 1h 23min
Thermal energy networks are the next big thing
Zeyneb Magavi, executive director of HEET and pioneer in thermal energy networks, joins Eric Bosworth from Eversource Energy, who manages clean technologies. They dive into the exciting shift from gas to thermal energy networks. Topics include the revolutionary efficiency of ground-source heat pumps, the potential for utilities to reinvent themselves, and the collaborative efforts needed for smooth transitions. The discussion also covers challenges and opportunities for equitable energy solutions, particularly in rural communities.