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Heat pumps are having a moment. Last year, the U.S. passed China to become the world's number one market for heat pumps—and they're not slowing down. But while heat pumps are efficient and effective on paper, they haven't always been objects of desire. Until now. This week, Molly talks to Paul Lambert, CEO and co-founder of Quilt, about building a heat pump company that's equal parts climate solution and consumer product. Paul explains how his team is reimagining the mini-split heat pump—not just as an HVAC system, but as a piece of technology you're proud to have on your wall. We dive into: How heat pumps work: Why an AC is basically "a half-broken heat pump" that only runs in one directionThe two types of heat pumps: Ducted systems vs. ductless mini-splits, and why room-by-room control is a game-changerDesign as climate strategy: How Quilt spent half their initial capital on a domain name and invested heavily in industrial design to create pull, not just policy pushThe installer advantage: Why partnering with contractors (instead of doing it all in-house) unlocked national scaleSmart grid integration: How Quilt's internet-connected system enables demand response without sacrificing comfort—curtailing load in empty rooms while keeping occupied spaces perfectThe data center opportunity: How replacing electric resistance heating with heat pumps near data centers can free up 75% of the energy load—without building new generation capacityWhy incentives help but aren't required: 60% of America is primarily cooling-driven, and heat pumps are just better air conditionersPricing reality: Quilt is competitive with high-end Japanese mini-splits, not luxury-priced like early Nest thermostats or TeslasThe personal mission: How Paul's Alberta roots in the fossil fuel industry and his commitment to his kids' future drove him to climate tech Key insight: Space heating and cooling represent half of all home energy use and 70% of fossil fuel consumption in homes—making HVAC the single biggest lever for decarbonizing buildings. Links: Quilt: https://quilt.comFind a Quilt installer: https://quilt.com (click "Find an Installer")All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show: https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

Buildings account for a third of America's greenhouse gas emissions, yet until recently, we've been flatlined on progress. That's changing—fast. This week, Molly talks to Panama Bartholomy, founder of the Building Decarbonization Coalition, about how an unlikely alliance of utilities, manufacturers, installers, and nonprofits is transforming the way we heat, cool, and power our homes. Panama explains how finding 80% common ground among competitors created unstoppable momentum—and how the U.S. just became the global leader in heat pump sales for the fourth year running. We dive into:The coalition model: How businesses, government, and nonprofits work together through "shuttle diplomacy"Why buildings matter: They represent ~33% of U.S. emissions and are the largest source of air pollution in California's worst air basinsThe heat pump revolution: How the U.S. went from third place to global leader in just five years—heat pumps now outsell furnacesThe gas infrastructure trap: Why we're spending $50 billion annually on aging pipes while gas bills rise twice as fast as electric ratesNeighborhood-scale solutions: How utilities are offering $35,000 checks to electrify entire neighborhoods instead of replacing gas pipelines"Stove Gate" as a paradigm shift: How controversy over gas stove safety created "sticky facts" that changed public perceptionWhat "pollution" means: Why language matters—moving from "decarbonization" to a term everyone understandsThe path forward: Why installers are the real heroes, and what political will looks like in actionKey stat: Space heating and water heating represent 90% of building emissions—and heat pumps can do both jobs 2-4x more efficiently than gas?Links:Building Decarbonization Coalition: https://www.buildingdecarb.org/BDC's 2025 Wrapped Report: https://buildingdecarb.org/2025-wrapped-decarb-editionAll episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show: https://everybodyinthepool.supercast.com/ Visit our sponsor, Climatize, and get $50 in investment credits when you create a profile! Hosted on Acast. See acast.com/privacy for more information.

What if the solution to our energy challenges isn't building more—but applying new thinking to the grid we’ve already got? This week, Molly talks to Quinn Nakayama, the senior director at PG&E’s Grid Research Innovation and Development, also known as GRID, division. (Clever, right?) After years of controversy over wildfires that led to the utility’s eventual bankruptcy, PG&E is moving forward with dedicated R&D, pitch competitions, and monetary investment to figure out how to use new technologies to meet growing demand without compromising California’s clean energy goals. We cover:The massive energy demands from data centers and electrificationInnovative strategies to manage load growth without building massive infrastructureHow electric vehicles and smart charging can actually reduce electricity ratesCalifornia's unique challenge of meeting net-zero goals while supporting economic growthCreative solutions like using data center backup generators as temporary grid support In upcoming episodes, we’ll talk with some of the startups PG&E has identified as particularly promising reinvention partners! Links:PG&E’s GRID initiative: https://www.pge.com/en/about/pge-systems/research-and-development.html?vnt=innovationAll episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/Visit our sponsor, Climatize, and get $50 in investment credits when you create a profile! Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we're diving into the world of protein production — in reverse. Recently, the USDA released a new food pyramid that controversially places red meat and dairy at the top. That, combined with the global and particularly American obsession with protein, make it a great time to talk to Ross Milne, CEO of Leaft Foods. Leaft is developing a groundbreaking technology that extracts protein directly from alfalfa leaves, potentially reducing emissions by 97% compared to traditional animal agriculture. Leaft Foods isn't just creating a protein alternative - they're reimagining the entire food production system. By isolating RuBisCO, the most abundant protein on the planet, they've developed a nutritional powerhouse that outperforms eggs, whey, and beef in amino acid profile. Their first product, LeafBlade, packs 18 grams of protein and 58% of daily iron intake into a tiny 100ml pouch. We talk about:How extracting protein directly from leaves could transform agricultureThe nutritional superiority of RuBisCO proteinWhy efficiency matters in solving the climate crisisHow this technology could improve both human nutrition and animal farmingThe potential for scaling a more sustainable protein production method Links:Leaft Foods: https://www.leaftfoods.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/ Visit our sponsor, Climatize, and get $50 in investment credits when you create a profile! Hosted on Acast. See acast.com/privacy for more information.

Here’s a bonus episode for you to kick off 2026. Back in episode 97, we interviewed Kate Danaher of S2G Investments about investing in the ocean economy. S2G are actually investors in a few of the companies we’ve had on Everybody in the Pool, including Matter, Moleaer, and Sofar Ocean. So this week, we’re featuring one of their interviews as they prepare to launch their new season. The S2G Podcast is hosted by the team at S2G Investments, and looks at what it will take to scale the food and agriculture, oceans and energy transitions. Episodes launch every two weeks with a range of guests, including company leaders, innovators, investors, and policy experts. Season 3 starts on January 15 and you can find the S2G Podcast wherever you get your podcasts. S2G Episodes: https://www.s2ginvestments.com/insights/podcastSubscribe to the S2G Podcast: https://www.s2ginvestments.com/podcastAll episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re starting the year with an audacious question: what if we reinvented one of the most basic materials in the world? Decarbonizing the built environment means tackling the stuff we use everywhere — wood, concrete, and steel — at the same time we’re trying to build millions of new homes, strengthen supply chains, and reduce our exposure to geopolitical and climate risk. That’s a tall order. But it’s also unavoidable. My guest is Nathan Silvernail, co-founder and CEO of Plantd, a company building a tree-free, carbon-negative alternative to engineered wood. Designed as a drop-in replacement for OSB (oriented strand board), Plantd’s material looks and behaves like conventional wood — but without cutting down trees. And they’re not stopping at the material itself: Plantd is building the machines, manufacturing process, and agricultural supply chain needed to produce it at scale. We talk about:Why “sustainable wood” isn’t always as sustainable as it soundsWhy trees can’t scale fast enough to meet demand and climate goalsWhat it takes to replace a commodity material without asking builders to change how they buildThe co-benefits: turning waste into biochar and high-purity carbon for adjacent industrial marketsThe hard realities of scaling hardware, agriculture, and manufacturing at the same time LINKS:Plantd: https://www.plantdmaterials.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/Visit our sponsor, Climatize, and get $50 in investment credits when you create a profile! Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re diving into one of the biggest bottlenecks in the clean energy transition: critical minerals—the lithium, nickel, cobalt, copper, and precious metals we need for EVs, batteries, and the grid. The problem isn’t that we’re running out. It’s that extraction and refining are expensive, polluting, and increasingly constrained by geopolitics. My guest is Adam Uliana, co-founder and CEO of Chemfinity Technologies, a startup spun out of UC Berkeley that’s building a modular “metal-selective Brita filter” for refining. Chemfinity’s system takes messy inputs—like e-waste, catalytic converters, industrial wastewater, and even mine tailings—and separates out high-purity metals one at a time using tunable “nano-sponge” materials. In other words: a potential way to recover critical minerals with dramatically fewer steps, less energy, and a much smaller footprint. We get into:What “critical minerals” are and why the supply chain is such a vulnerabilityThe climate and human costs of mining—and why recycling and recovery matterHow Chemfinity’s process works (liquify the feedstock, then filter metals out in sequence)The real technical unlock: highly selective nanoscale materials that can distinguish near-identical metalsWhat scaling looks like: pilots now, modular systems later—including shipping-container deployments at mining sitesThe business model question: when Chemfinity sells equipment vs. when it makes sense to sell recovered metals Links:Chemfinity Technologies: https://www.chemfinitytech.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re talking about one of the biggest blockers to real climate action: amazing solutions that never scale because no one pays for them. My guest is Grant Canary, founder and CEO of Mast Reforestation, a company rebuilding forests after catastrophic wildfires — and reinventing carbon credits so that reforestation can actually fund itself. Mast takes the most expensive part of post-fire recovery — dealing with hundreds of dead, unstable, methane-emitting trees — and turns it into a high-integrity carbon removal credit. The fire-killed biomass gets buried in engineered clay “vaults” that lock away carbon for centuries, and the revenue pays for restoring forests with native seed, nursery-grown seedlings, and good old human labor. It’s the super-sexy carbon accounting we desperately need. We get into:Grant’s origin story: the high-school teacher, the brutally honest friend, and the maggot factory (this is a true story)From DroneSeed to Mast: why drones weren’t enough and what really unlocks reforestationWhat high-severity “Mordor” fires do to ecosystems — and why invasives take overHow biomass burial works: clay soils, lasagna layers, 24/7 monitoring, and 5 different verification processesWhy high-quality carbon credits are hard — and why they matterWho buys these credits (tech, airlines, real estate, Shopify, consulting firms) and the incentives behind eachWhy relying on altruism won’t scale — but pricing ecosystem services willHow modern carbon accounting sets the stage for the actual holy grail: a price on carbon Link:Mast Reforestation: https://www.mastreforest.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re starting in full aspirational mode (with one of my least climate-friendly obsessions) — with iconic classic cars rebuilt as state-of-the-art EVs. Think: vintage Porsches, Land Rovers, Pagodas, even a GT40… all stripped to bare metal, fully restored, and reborn as clean-air electric machines. Yeah, I’m dying over here. My guest is Justin Lunny, founder and CEO of Everrati, a company that electrifies beloved classic cars while also building a cutting-edge EV powertrain platform used by new low-volume automakers around the world. It’s a story about craft and circularity — giving existing cars a new, zero-emission life — and about how aspiration drives climate adoption. Wealthy early adopters (and their garages) help prove what’s possible, push down cost curves, and build social permission for the EV future. We get into:How Everrati “redefines” classic cars using full CAD modeling, advanced engineering, and hand-built restorationWhy their EV powertrains use motors and components normally found in hypercars and Formula EThe economics: donor cars, bespoke builds, and why the least-loved 964s are perfect candidatesWhy keeping old cars alive — electrically — is a circularity winThe B2B side: powering new sports cars and specialty vehicles for low-volume OEMsWhy electrifying halo cars helps drive broader consumer aspirationBattery modularity, future upgrades, and designing for long-term sustainabilityJustin’s personal journey from tech entrepreneur to climate-driven car nut Links:Everrati: https://everrati.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re talking about one of the least-visible but largest waste problems in the world: food processing waste. Every time fruits or vegetables are peeled, chopped, juiced, or processed, mountains of perfectly good plant material get thrown out or sold for pennies. It’s expensive, it’s inefficient, and it’s a huge climate problem. My guest is Michelle Ruiz, founder and CEO of Hyfe, a company unlocking the massive value hidden in this “waste.” Hyfe has developed a clean, water-based technology that can deconstruct food waste into high-value ingredients—like natural antioxidants that can replace carcinogenic petrochemical additives, fibers for gut health, and eventually the bio-based molecules that could power the broader bioeconomy. Instead of paying to get rid of waste, food processors can turn it into a whole new revenue stream — while reducing emissions and building real circularity into the food system. We get into:Why food processing waste is one of the biggest untapped feedstocks in the worldHow Hyfe’s process “unlocks” the compounds inside plant material without toxic solventsThe clean-label antioxidants that can replace petrochemical additives already being banned in multiple statesWhy fibers are booming — and how food companies want cleaner, more functional sourcesHow this technology could one day replace a chunk of the petrochemical industryThe business model: why food processors, not consumers, are Hi-Fey’s real customersMichelle’s journey from oil refinery engineer to World Economic Forum Tech PioneerThe role of circularity, resilience, and adaptation in the future food systemLinks:Hyfe: https://hyfe.tech/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show: https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, more power, right beneath our feet. Even as the United States has been attempting to stop or divest from renewable energy sources, there’s one kind of baseload power that doesn’t make anyone mad: geothermal. So this week we’re talking not just geothermal, but next-generation geothermal. My guest is Cindy Taff, CEO of Sage Geosystems, a company developing flexible, modular geothermal systems that can provide both baseload renewable power and incredible long-duration energy storage—all using the existing skill sets and drilling expertise of the oil and gas industry. We get into:Why geothermal is finally ready for prime time—thanks to new drilling techniques, better geologic modeling, and the lessons of shaleSage’s “heat harvesting” approach that works in far more places than conventional geothermalHow their Geopressured Geothermal System doubles as ultra-affordable long-duration energy storageWhy geothermal could be the clean firm power the grid desperately needsThe role the oil and gas workforce can play in building the energy transitionWhat it will take to finance and deploy geothermal at utility scale Links:Sage Geosystems: https://www.sagegeosystems.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show:https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re examining the seemingly humble—but absolutely critical—piece of hardware that could accelerate electrification, unlock virtual power plants, and save homeowners thousands of dollars: the electrical panel. My guest is Arch Rao, founder and CEO of Span, a company building smart electrical panels that replace your old breaker box with real-time power management, whole-home circuit-level visibility, and the ability to electrify without a costly service upgrade. If you’ve ever been told you need a new 200-amp panel before installing a heat pump, EV charger, induction stove, or home battery… Span thinks you don’t. And utilities are starting to agree. We get into:Why most of America’s 100-amp homes don’t actually need expensive utility upgradesHow Span’s digital panel manages loads in real time—throttling certain appliances for a few minutes a year to avoid tripping limitsWhat changes when every circuit in your house is visible and controllable (down to the second)Span as grid infrastructure: how utilities like PG&E see smart panels as a cheaper alternative to billions in grid upgrades Links:Span: https://www.span.io/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member for the ad-free version of the show: https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re rethinking how clothes, shoes—and even car interiors—get made without plastic. My guest is Maria Intscher-Owrang, CEO and co-founder of Simplifyber. Her innovation takes plant fibers + water, then forms finished 3D shapes in a single step—skipping spinning, weaving, cutting, and sewing.  We get into:What’s broken about fossil-based textiles (cost curves, subsidies, and why polyester took over)How Simplifyber’s cellulose slurry + compression molding works—and why it cuts waste dramaticallyEarly results: an LCA showing up to 30× lower impact for shoe uppers vs. standard constructionPerformance and durability (including why these parts can survive sun/heat/humidity in car interiors)Unit economics: cost parity at scale via tooling (and why higher volumes matter)Beachhead products: GANNI “moon shoe” uppers and a Kia EV2 concept interior, now moving toward productionWhat this could mean for labor, local supply chains, and using regional feedstocks (cellulose everywhere) Links:Website Simplifyber: https://www.simplifyber.com/LinkedIn https://www.linkedin.com/in/maria-intscher-owrang-3278a07/All episodes: https://www.everybodyinthepool.com/ What you can do to help: Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member and get an ad-free version of the podcast: https://everybodyinthepool.supercast.com/ Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re talking about one of the biggest hurdles in the clean energy transition — how to make electric vehicles as fast and easy to refuel as gas cars. Our guest is Will Fitzhugh, co-founder and CEO of Adden Energy, a Harvard spinout developing self-healing solid-state lithium metal batteries that could charge fully in under ten minutes. These next-generation batteries promise longer range, faster charging, and safer performance — all using existing manufacturing lines. It’s a fascinating look at the next leap in energy storage — and what it’ll take to make 10-minute charging a reality. We talk about:What makes solid-state lithium metal batteries different from lithium-ionHow Adden’s “self-healing” separator prevents the failures that have held this technology backWhy faster charging could finally electrify drivers who can’t charge at homeHow the company plans to use existing gigafactory infrastructure to scale productionWhat this breakthrough could mean for everything from EVs to robotics and aviation Links:Adden Energy: https://www.addenenergy.com/All episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member and get an ad-free version of the podcast: https://everybodyinthepool.supercast.com/ What you can do: Please subscribe and tell your friends about Everybody in the Pool!Send feedback or become a sponsor: [email protected] Hosted on Acast. See acast.com/privacy for more information.

This week on Everybody in the Pool, we’re talking water — and the invisible pollutants hiding in it. Microfibers from textiles are one of the biggest sources of microplastics in our oceans, choking marine ecosystems and undermining the ocean’s role as the planet’s carbon sink. Our guest is Adam Root, founder and CEO of Matter, who shares his insane founder story, from £250 and a shed to a budding Japanese street food empire to Matter, which is helping major textile manufacturers keep millions of liters of water cleaner every day. It’s an epic founder story with big implications for clean water and healthy oceans. We cover:How washing machines and textile factories shed microfibers at massive scaleWhy current filtration is wasteful — and how Matter’s regenerative filters solve itThe founder story that went from Japanese street food stalls to the G7 stageWhat this means for oceans, sludge management (yes, really), and circular materials in the future Links:Matter Industries Website: https://matter.industries/Adam Root LinkedInAll episodes: https://www.everybodyinthepool.com/Subscribe to the Everybody in the Pool newsletter: https://www.mollywood.co/Become a member and get an ad-free version of the podcast: https://everybodyinthepool.supercast.com/ What you can do to help:Please subscribe and tell your friends about Everybody in the Pool!Send feedback or become a sponsor! [email protected] Hosted on Acast. See acast.com/privacy for more information.