In this episode of Climate Positive, Gil Jenkins and Kenny Gayles speak with Heikki Pöntynen, CEO of Norsepower, about how rotor sails are helping the maritime industry cut fuel use and emissions. By harnessing the Magnus effect with spinning cylinders mounted on cargo ships, Norsepower is delivering 5–25% fuel savings today—sometimes even more. Heikki discusses the company’s rapid growh, including a new factory in China to scale production, the evolving policy landscape at the IMO and EU, and why ship owners are increasingly open to wind propulsion. LinksNorsepower WebsiteNorsepower on LinkedInVideo: How do Norsepower Rotor Sails work?Press Release: COSCO Shipping partners with Norsepower to enable a step change in the global rotor sail marketArticle: How wind tech could help decarbonize cargo shipping | MIT Tech Review |January 2, 2025Article: These 150-foot-high sails could help solve shipping’s climate problem | The Washington Post | April 22, 2024Episode recorded on September 3, 2025 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode of Climate Positive, hosts Guy Van Syckle and Gil Jenkins are joined by Matt Traldi, co-founder and CEO of Greenlight America, to discuss how local dynamics are driving—or delaying—clean energy progress in the United States. Drawing on Matt’s background in grassroots advocacy and his transition to targeted climate action, the conversation explores how data-driven insights, strategic engagement, and community partnerships can accelerate renewable energy deployment. Matt shares practical examples of how Greenlight America is mapping local decisions, empowering advocates, and reducing friction in the permitting process.Links:Greenlight America WebsiteMatt Traldi on LinkedInEpisode recorded June 10, 2025 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode of Climate Positive, host Hilary Langer speaks with Aadith Moorthy, founder and CEO of Boomitra, a global soil carbon marketplace that pays farmers for adopting regenerative agriculture. Boomitra’s AI-powered platform uses satellite data to measure and verify carbon sequestration, turning healthier soil into long-term income for farmers. Aadith shares how attending a farmer’s funeral in India sparked the idea for Boomitra, how their marketplace is already increasing farm revenues, and when they expect to reach gigaton-scale carbon removal. A winner of the Earthshot Prize and a Time100 Next inductee, Aadith is helping redefine how we fight climate change—from the soil to the sky.Links:Boomitra websiteAadith Moorthy on LinkedInEarthshot Prize | BoomitraTime100 Next 2024Boomitra’s South America Grassland Restoration Project Achieves Verra Registration Episode recorded February 19, 2025 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode of Climate Positive, host Gil Jenkins sits down with Mike Berners-Lee—author, professor, and leading expert on sustainability—to explore the central message of his latest book, "A Climate of Truth." In a world spiraling deeper into climate, ecological, and social crises, Mike argues that the most powerful lever we have isn’t new technology—it’s honesty. The conversation unpacks why truth in politics, media, and business is essential to breaking the deadlock on climate action and building a livable future.Links:Purchase “A Climate of Truth: Why We Need It and How To Get It” (Published April 2025)Mike Berners-Lee on LinkedInMike Berners-Lee WebsiteEpisode recorded March 26, 2025 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode, host Gil Jenkins speaks with Marshall Cox, co-founder and CEO of Kelvin, a national leader in intelligent HVAC solutions for legacy buildings in major cities. Marshall shares the origin story of Kelvin (formerly Radiator Labs) and discusses the company’s flagship product—the Cozy—an insulated radiator cover that maximizes efficiency and eliminates waste in steam-heated buildings. He also outlines Kelvin’s growth plans and explains how New York’s Local Law 97 is accelerating the push for building efficiency and decarbonization. The conversation explores Kelvin’s hybrid electrification strategy and its broader implications for cost-effective, resource-efficient building decarbonization. Additional topics include market expansion, Kelvin’s innovative financing model, and the importance of partnerships with HVAC contractors and other key stakeholders.Bio:Dr. Marshall Cox is the co-founder and CEO of Kelvin, a pioneer in sustainable building decarbonization and innovative HVAC solutions. He earned his M.S. in materials science and engineering from Cornell University in May 2004 and his Ph.D. in electrical engineering from Columbia University in 2013. Marshall holds over 10 U.S. patents and has published eight peer-reviewed papers in semiconductor devices, processing, and inorganic synthetic chemistry. He has received numerous awards through his work at Kelvin, including the MIT Clean Energy Prize, the Verizon Powerful Answers Award, and the Popular Science Innovation Award.Links:Kelvin WebsiteKelvin on LinkedInMarshall on LinkedInEpisode recorded February 7, 2025 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
The automotive industry is undergoing a major transformation, with electric vehicles poised to dominate the future of transport. But this transition requires more than just building great EVs; it demands a comprehensive approach to ensure our electric grid can reliably support the demand from millions of new EVs. In this episode of Climate Positive, host Guy Van Syckle speaks with Apoorv Bhargava, CEO of WeaveGrid, a company at the forefront of electric vehicle deployment and grid reliability. WeaveGrid helps utilities integrate EVs into our grid at scale, with a focus on elevating the EV driver experience and keeping charging affordable. Their platform also enables better charging alignment with renewable energy availability and broader decarbonization. Guy and Apoorv explore how WeaveGrid has built an AI software platform to transform EVs from a grid liability into a valuable grid asset, developing key partnerships with both automakers and utilities. Links:WeaveGrid Website Apoorv Bhargava on LinkedInWeaveGrid on LinkedInEpisode recorded February 6, 2025 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode of Climate Positive, hosts Gil Jenkins and Daniela Shapiro sit down with Tom Hunt, CEO, and Bret Labadie, CFO, of Pivot Energy—a Colorado-based renewable energy provider and IPP that develops, finances, builds, owns, and manages solar and energy storage projects. As an ECP portfolio company and Certified B Corporation, Pivot Energy seeks to leverage its renewable expertise to deliver innovative solutions that help businesses and communities achieve meaningful decarbonization. Tom and Bret discuss Pivot Energy’s growth, the rapidly evolving community solar market, innovative financing strategies, and the power of corporate partnerships. They also explore the expanding role of distributed solar in the clean energy transition and what lies ahead for the industry.Bios:Tom Hunt is the CEO of Pivot Energy, a role he assumed in 2019. During his tenure as CEO, the company has grown by strong multiples in revenue, income, project deployment, and number of team members. In 2021, he drove a process to bring in blue-chip firm ECP as new sponsor investors for the company, allowing for renewed pursuit of Pivot's mission of making distributed generation a key part of the fight against anthropogenic climate change. A long-time community solar market leader, Tom also currently serves as the Board Chair for the Coalition for Community Solar Access, the national community solar trade association. Prior to Pivot, he oversaw corporate development, public policy, and project construction/operations for the first national community solar developer. He has also worked as a Senior Policy Advisor in the Colorado Governor's Energy Office and as a research chemist investigating biofuels synthesis methods.Bret Labadie is the CFO of Pivot Energy and has spent the last 18 years in escalating roles within energy finance, 8 of which have been concentrated in distributed solar. In his tenure in the renewables industry, Bret has closed debt and tax equity financings for over $600 million of distributed generation solar projects and has led three separate corporate capital processes, including the latest partnership between Pivot and ECP. Bret currently serves as the Chief Financial Officer for Pivot Energy, where he leads all financial, strategic, project finance, and capital market-related activities for the company.Links:Pivot Energy WebsitePivot Energy on LinkedInTom Hunt on LinkedInBret Labadie on LinkedInThe Kacie Peters Community Solar GardenPress Release: Pivot Energy Secures Over $450 Million in Major Financing of Distributed Generation Portfolios from First Citizens, ATLAS SP, and HASI (November 21, 2024) Press Release: Pivot Energy Collaborates with Microsoft to Develop Up to 500 MWac of Community-Scale Solar Projects that Will Deliver Significant Benefits to Local Communities (August 8, 2024)Press Release: Rivian Partners with Pivot Energy to Build Community Solar in Illinois (May 22, 2024) Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode of Climate Positive, hosts Gil Jenkins and Guy Van Syckle chat with Zeyneb Magavi, Executive Director of HEET, a Massachusetts-based non-profit focused on designing a strategic evolution of aging gas systems into bidirectional ambient thermal grids, with the aim of driving rapid and equitable decarbonization of heating and cooling in urban areas. The enlivening conversation centers around the networked geothermal, a novel technology gaining traction nationwide that utilizes underground thermal energy systems to provide efficient and sustainable heating and cooling. Magavi breaks down how this innovative neighborhood-scale decarbonization solution works, highlights the business case, policy drivers, the benefits for communities, utilities, workers, and more.Links:HEET WebsiteZeyneb Magavi on LinkedInZeyneb Magavi BioHEET on XHEET on LinkedInArticle: Underground Thermal Energy Networks May Be About to Have Their Moment (Wall Street Journal, April 21, 2024)Article: How an Unlikely Coalition of Climate Activists and a Gas Utility Are Weaning a Boston Suburb Off Fossil Fuels (Inside Climate News, December 21, 2024)HEET Blog: 13 Massachusetts Communities Kickstart New Geothermal Networks with $450,000 in Funding from MassCEC (February 29, 2024)HEET Blog: Networked Geothermal: The National Picture (April 17, 2023)Episode recorded December 17, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
Growing demand requires growing supply. With more and more data centers and industrial facilities coming online, the United States will likely need 40 GW of incremental peak power generation – requiring hundreds of billions of dollars of related investment – just over the next few years. As large corporate buyers of power seek to meet their climate goals, they are increasingly looking at nuclear power as a scalable and cost-effective option. In this episode, Chad Reed chats with Brandon Oyer, Head of Americas Power and Water at Amazon Web Services (AWS). They discuss Amazon’s recent efforts to contract with existing large-scale and new small modular nuclear reactors, the benefits and risks associated with nuclear power, growing bipartisan support for nuclear development and much more. Links:Amazon signs agreements for innovative nuclear energy projects to address growing energy demands7 ways Amazon is thinking big about nuclear energyDavid GogginsEpisode recorded November 25, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
With rising investor demand and regulatory pressure in certain jurisdictions, company disclosure of their exposure to climate risks and their environmental impact has emerged as an expectation with tangible economic benefits. Increasingly, companies can improve their access to lower-cost capital by disclosing their exposure to climate risks and opportunities. Indeed currently over 23,000 companies now report through CDP, underscoring growing investor and customer demand for environmental data. In this episode, CDP CEO Sherry Madera joins hosts Chad Reed and Al Jacobs from the biodiversity-focused COP16 in Colombia, to explore the competitive advantages climate disclosures provide companies who proactively measure and manage their environmental impact and the role CDP plays in driving better carbon accounting practices. LinksCDPCorporate Climate Disclosure Has Passed a Tipping Point. Companies Need to Catch Up (World Resources Institute)EPA on Climate-Related DisclosuresEpisode recorded October 28, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
Critical minerals are absolutely vital for the energy transition. Without nickel, copper, lithium, cobalt and other rare earth elements, we simply cannot produce the solar modules, wind turbines, batteries and other technologies necessary to decarbonize the global economy. It’s no surprise then that demand for these critical minerals is expected to almost triple by 2030. But mining, processing and incorporating these critical minerals into manufacturing processes can itself result in far too many emissions. In addition, the concentration of related supply chains in just a few – sometimes authoritarian – countries exposes the United States in particular to unacceptable geopolitical risks. In this episode, Guy Van Syckle and Chad Reed chat with Coleman Adams, CFO of Nth Cycle – an industry leader in critical metal refining. Coleman discusses the climate and supply chain benefits of Nth Cycle’s first-of-a-kind (FOAK) Oyster facility in Fairfield, Ohio, which produces from recycled materials a critical input needed to manufacture batteries. LinksNth CycleNth Cycle Begins Operations of First Domestic Commercial-Scale Nickel and Cobalt Scrap Refining System in Fairfield, OhioQualifying Advanced Energy Project Credit (48C) Program Episode recorded October 30, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this this episode of Climate Positive, hosts Gil Jenkins and Conor Fryer sit down with Tim McDonnell, Climate & Energy Editor at Semafor and the author of Semafor’s Net Zero newsletter, to delve into the current state of climate journalism, real-time energy crises, and the forces driving the energy transition. Tim reflects on how far climate reporting has come, moving past basic awareness to explore intricate, interwoven stories at the heart of sustainability and energy. They also discuss Semafor’s mission to bridge divided audiences with “common facts” and Tim’s take on the energy demands of AI, and the high-stakes landscape of climate policy ahead of the 2024 U.S. election.Links:Sign up for Semafor’s Net Zero newsletterTim on XTim on LinkedInArticle: The data center boom is giving clean energy a jolt (September 25, 2024)Article: Political infighting is holding back Ukraine’s energy reconstruction (September 18, 2024)Book Recommendation: The Bickford Fuse by Andrey KurkovEpisode recorded October 16, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
In this episode, Dr. Tallamy and Hilary Langer tap into the world of caterpillars, birds, and native flora to illuminate how individuals can be agents of change and address urgent issues of species loss and ecosystem collapse. From publishing research on insects to reviving his own property that was overrun by non-native plants, Dr. Tallamy's journey has been a fascinating exploration of the intricate web of life that begins from the ground up. He offers a fresh perspective on the symbiotic relationship between native plants, insects, and the ecosystems they support, and emphasizes the urgency of education and personal responsibility to protect species in the face of a changing climate. Links:Homegrown National ParkNew York Times: Why You Should Plant OaksDr. Doug Tallamy Professional PageBooks by Dr. TallamyMeet the Ecologist Who Wants You to Unleash the Wild on Your BackyardWhy Native Plants Are Key to Saving Our Ecosystems: An Interview With Doug Tallamy Episode recorded September 5, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
Over the last few years, the United States has led the world in the fight against climate change by passing some of the most impactful and largest investments in infrastructure and related regulatory reforms ever. Together, the Inflation Reduction Act and the Bipartisan Infrastructure Law seek to deploy nearly $1 trillion in climate positive infrastructure investment over the next decade. At the same time, however, the U.S. Supreme Court has issued a series of decisions that together significantly curtail the authority of executive agencies charged with implementing and defending legislation passed by Congress and signed by the President. In its most recent term, the Court issued four such decisions including Loper Bright Enterprises v. Raimondo, which overturns a 40-year precedent and ensures the courts will have a commanding voice over climate policy and regulation for the foreseeable future.In this episode, Chad Reed unpacks the details and implications of Loper Bright and related Court decisions with Kevin Poloncarz, a partner with Covington & Burling and one of the top climate change attorneys in the United States. Links:Supreme Court strikes down Chevron, curtailing power of federal agencies (SCOTUSblog, July 2024)CleanLaw – Suite of Supreme Court Decisions Undermine Administrative LawPalmaz VineyardsEpisode recorded September 12, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
For the world to meet its growing need for low-cost clean energy and achieve ambitious decarbonization targets, land-based onshore wind energy must be an increasingly large part of the electricity generation mix—potentially as much as 20-41% by 2050, according to BloombergNEF and the International Energy Agency (IEA). But there is a challenge: the most efficient and cost-effective wind turbines, currently applied only in offshore wind farms, have enormous blades—some longer than a football field. That makes them extremely difficult, if not impossible, to deliver and deploy, as bridges, tunnels, and road curves literally get in the way. To explore how the onshore wind industry can overcome these obstacles and drive further growth for the sector, Gil Jenkins spoke with Mark Lundstrom, Founder and CEO of Radia. Mark is a serial cross-industry entrepreneur and MIT aerospace engineer who has co-founded companies over the course of his career that seek to bring aerospace solutions to new sectors, including biotech, telecommunications, and materials science. With Radia, Mark is focused on applying these technologies to the low-carbon energy transition. Radia is in the process of building the world’s largest aircraft, which will enable the deployment of the industry's biggest and best wind turbines to locations they could never reach before—creating more clean power at a lower cost.Links:Radia WebsiteMark Lundstrom on LinkedInRadia on LinkedInPress Release:Radia to Provide Low-Cost Clean Energy with the World’s Biggest Wind Turbines Enabled by the World’s Largest Aircraft (March 17, 2024)Press Release: Aerospace Leaders Aernnova, Leonardo and AFuzion Will Partner With Radia to Build WindRunner™, World’s Largest Aircraft (July 16, 2024)Whitepaper: DeSolve Study: GigaWind has enormous economic and environmental impact (Princeton University researchers Dr. Jesse Jenkins and Dr. Nestor Sepulveda - September 1, 2023)Episode recorded August 22, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
The maritime industry transports over 80% of goods worldwide and is essential to the deployment of climate technologies. At present, the industry contributes approximately 2 to 3% of global emissions, but this figure is projected to grow without major changes to the industry and its ancillary services. However, decarbonizing the maritime industry is unusually challenging. As the president of Marine and executive vice president at Wärtsilä, Roger Holm’s team helps power one out of every three ships worldwide. In light of new EU regulations and the International Maritime Organization’s goal of net neutral carbon emissions by 2050, Wärtsilä is now focused on solving the decarbonization riddle for clients that operate ships that can last for decades and need to be able to adapt to a wide range of infrastructure and fuels in ports. In this episode, Roger Holm chats with Hilary Langer and shares why Wärtsilä approaches maritime decarbonization at the systems level, why clients are increasingly focused on sustainability, and where he sees the greatest potential for carbon and cost savings. Links:Wärtsilä Marine SolutionsEuropean Commission - Reducing emissions from the shipping sectorWorld Resources Institute - Decarbonizing International ShippingNYTimes Gift Link – Shipping Contributes Heavily to Climate Change. Are Green Ships the Solution?Bloomberg - How the Shipping Industry Aims to Reach Net Zero by 2050Episode recorded August 14, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
As the accelerating deployment of variable wind and solar resources pushes us ever closer to Net Zero – or the state whereby we’re not emitting any more greenhouse gas emissions into the atmosphere than we are simultaneously removing – we increasingly need to deploy both battery storage as well as dispatchable renewable baseload generation. But despite its ability to serve as dispatchable renewable baseload, geothermal energy today accounts for less than 1% of the world's primary energy supply. In this episode, Chad Reed chats with Jeanine Vany, co-founder and executive vice president of corporate affairs at Eavor, a next generation geothermal energy company based in Calgary, Canada. Jeanine adeptly explains how Eavor’s Closed-Loop solution is different and better than traditional geothermal, discusses how Eavor plans to scale its initial projects, details the numerous environmental benefits next generation geothermal can provide and much more.Links:EavorUnderground, Underdog: The Eavor StoryLoonshots by Safi BahcallEpisode recorded June 21, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
We started the Climate Positive podcast just over three years ago at HASI, seeing an opportunity to contribute our unique perspective to the climate and clean energy podcast scene. As a pure play climate investment firm, we aimed to cultivate a forum for mission-driven leaders, innovators, and changemakers to engage in conversations about the challenges and opportunities on the path to a climate-positive future. Our inaugural episode of Climate Positive featured our trailblazing former CEO and current Board Executive Chair, Jeff Eckel. Now, looking back on over 75 episodes since launch, we wanted to take a moment to reflect and celebrate this journey and share more about the people leading HASI today in this special episode. Join Chad, Gil, and Hilary in this insightful conversation with three of HASI's most senior leaders - CEO Jeff Lipson, CFO Marc Pangburn, and Chief Client Officer Susan Nickey.Links: Jeff Lipson Bio & LinkedInMarc Pangburn Bio & LinkedinSusan Nickey Bio & LinkedinEp. 1: A climate finance pioneer | Jeff Eckel, CEO of HASIPress Release: HASI and KKR Establish $2 Billion Strategic Partnership to Invest in Sustainable Infrastructure Projects (May 7, 2024)Episode recorded June 13, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
For over a century, the U.S. government has provided subsidies – often in the form of tax credits – to support domestic energy production. For renewable energy sources, these tax credits have traditionally subsidized investment (i.e., a project’s capital expenditure) and production (i.e., the amount of energy produced by a project). But the Inflation Reduction Act altered these tax credits in a number of ways: it significantly extended their life, massively expanded the technologies eligible for them and made them more easily transferable so that project developers can sell them directly to a wide array of third parties for cash. The transferability provision alone has already supercharged the growth of this market and, as a result, has helped to drive low cost capital to project developers attempting to accelerate the energy transition. In this episode, Chad Reed and Guy Van Syckle sit down with Alfred Johnson, co-founder and CEO of Crux – a new platform created for developers, tax credit buyers, banks and advisors to manage and transfer tax credits. While an inherently complex and at times eye glazing topic, Alfred dynamically details how his platform works, provides the puts and takes on recent market developments and conveys some sage advice – including lessons from U.S. Secretary of the Treasury Janet Yellen. Links:CruxCrux Quarterly Market Update: 1Q 2024The Alchemist by Paulo CoelhoEpisode recorded May 31, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
Barbara Humpton, President and CEO of Siemens USA, sits down with Gil Jenkins and Susan Nickey to discuss Siemens' pivotal role in advancing sustainability across industry, infrastructure, and transportation sectors. The conversation dives into Siemens' approach to decarbonization as an engine for growth and spotlights how innovation at the grid edge will be key to delivering a more sustainable future, guiding energy flows and balancing supply with the demands of buildings, industry, and private consumers. Additionally, Barbara discusses the encouraging trend of U.S. manufacturing expansion, advancements in EV charging infrastructure, and more. Finally, Babara shares insights into her leadership philosophy, discusses her passion for integrating work and personal life priorities, and explains why she started a podcast for Siemens, The Optimistic Outlook, back in 2021.Links: BioBarbara Humpton on XBarbara Humpton on LinkedInPodcast: The Optimistic Outlook with Barbara HumptonThe Optimistic Outlook LinkedIn NewsletterSiemens on LinkedInSiemens USA on XPress Release: Siemens launches Gridscale X™, paving the way for autonomous grid management (February 27, 2024)Video: Barbara Humpton's Address for George Mason University's 2024 Spring CommencementEpisode recorded June 12, 2024 Email your feedback to Chad, Gil, Hilary, and Guy at climatepositive@hasi.com.
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