Volts

David Roberts

A newsletter, podcast, & community focused on the technology, politics, and policy of decarbonization. In your inbox once or twice a week.

  • 1 hour 10 minutes
    Making geothermal heat pumps work for big buildings

    In this episode, Joselyn Lai of Bedrock Energy describes hardware and software improvements that enable geothermal heat pumps to be installed more quickly and less expensively, even in large commercial and industrial buildings in tight urban spaces.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    26 April 2024, 4:00 pm
  • 59 minutes 5 seconds
    Rising electricity demand requires new gas plants? Not so fast.

    What’s the best way to handle rising US electricity demand? Contrary to what some large utilities and regulators think, it’s not building new fossil gas plants. In this episode, Eric Gimon and Michelle Solomon, coauthors of a new report from policy shop Energy Innovation, make the case that utilities have more effective options to address both short- and long-term demand.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    24 April 2024, 4:00 pm
  • 1 hour 14 minutes
    Why "transferable" tax credits are such a big deal

    The Inflation Reduction Act made it much easier for companies to sell clean energy tax credits that they cannot make use of themselves. In this episode, CEO Alfred Johnson of Crux Climate explains how this seemingly wonky tweak has created a market that is already providing billions in new clean-energy investment.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    19 April 2024, 4:00 pm
  • 1 hour 6 minutes
    What's going on with China these days?

    Is China on track to reduce its carbon emissions? If so, why is it building so much coal power? In this episode, researcher Lauri Myllyvirta brings data to bear on China’s recent decarbonization efforts and helps demystify the country’s larger intentions.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    17 April 2024, 4:00 pm
  • 58 minutes 17 seconds
    Fashion's climate impact and how to reduce it

    In this episode, I speak with Maxine BĂ©dat, a former fashion startup CEO and founder of the nonprofit New Standards Institute. We talk about the source of the fashion industry's emissions, what can be done to reduce them, the need for regulation, and the right way to think about fast fashion.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    12 April 2024, 4:00 pm
  • 55 minutes 31 seconds
    How much can urban land use policy do for the climate?

    In this episode, I speak with Heather House, a manager in RMI’s carbon-free transportation program, and Rushad Nanavatty, the head of Third Derivative, an early-stage climate tech accelerator co-founded by RMI, to better understand the role of urban land use in the overall climate picture.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    10 April 2024, 4:00 pm
  • 58 minutes 58 seconds
    How the EPA will spend $27 billion in carbon-reduction funds

    The Inflation Reduction Act included a Greenhouse Gas Reduction Fund, $27 billion to be disseminated primarily in vulnerable and under-resourced communities for clean energy and climate mitigation projects. In this episode, EPA’s Jahi Wise discusses how the program was designed, who the recipients are, and what the funding will accomplish.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    5 April 2024, 4:00 pm
  • 1 hour 8 minutes
    Now is the time for distributed energy

    In this episode, Duncan Campbell of Scale Microgrid Solutions makes the case that distributed energy resources (DERs) — solar panels, EVs, home batteries, etc. — are, thanks to rising electricity demand and constraints on grid expansion, poised for a tsunami of deployment.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    3 April 2024, 4:00 pm
  • 1 hour 14 minutes
    Biden sets out to supercharge industrial decarbonization

    This week, the Biden administration announced billions of dollars in grants for industrial emissions-reduction projects. In this episode, Rebecca Dell of the ClimateWorks Foundation and Evan Gillespie of Industrious Labs describe the types of projects being funded and assess the potential impact of this significant investment in a sector notoriously difficult to decarbonize.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    27 March 2024, 4:00 pm
  • 56 minutes 12 seconds
    What's the deal with these methane satellites?

    In this episode, I discuss the newly launched MethaneSAT — a satellite that can detect methane emissions on the ground — with Mark Brownstein of the Environmental Defense Fund. We cover how it came to be, its technical capacities, and the ways satellite detection might serve global efforts to reduce emissions.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    22 March 2024, 4:00 pm
  • 57 minutes 30 seconds
    What's the deal with "scope 3" emissions?

    “Scope 3” greenhouse gas emissions — those that companies are indirectly responsible for, via supply chain, product disposal, investments, etc. — are an imprecisely measured but significant source of impact. In this episode, Laura Draucker of the nonprofit Ceres shares her expertise on all things scope 3, including the recent decision by the Securities and Exchange Commission to drop the requirement that companies disclose them.



    This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe
    20 March 2024, 4:00 pm
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