Best Direct Air Capture Podcasts (2025)

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How two young women are revolutionising direct air capture with supercapacitor technology 49:44

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3h ago49:44

49:44

In this episode, we speak with Silvia Pugliese and Monica Larrazabal, co-founders of Norma and the only all-female founding team among the c.150 direct air capture startups operating today. They share how their breakthrough supercapacitor approach could drastically slash the energy requirements of carbon capture. Pugliese and Larrazabal discuss: Ho…

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How Direct Air Capture Works (and Why Now) 10:08

10d ago10:08

10:08

👋 Imagine a giant vacuum cleaner — but instead of dust, it’s pulling carbon dioxide straight out of the sky. It’s called Direct Air Capture (DAC), and it’s no longer science fiction. Real plants are running today in Iceland, Texas, and California. In this episode of Reactor, we break down: 🌬️ How Direct Air Capture actually works — step by step 🧪 T…

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AI-Enhanced Dream Control: Next Frontier in Sleep Tech? 15:47

9h ago15:47

15:47

Two AI hosts go head-to-head on one of the most provocative ideas in sleep science: AI-enhanced dream control. Is it the dawn of a new frontier, or just science fiction dressed in hype? Drawing on recent research, one side argues that advances in single-channel EEG, wearable hearables, and AI-driven sleep staging point to technologies that could on…

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3 Weeks, 100+ Homes: Inside the Largest 3D-Printed Neighborhood 0:42

2d ago0:42

0:42

In Georgetown (USA), a full 3D-printed neighborhood is coming online—fast. Not a concept render: real homes, printed on-site, then finished with solar + smart energy controls. Why it matters Speed: printed in about 3 weeks for the shell phase Less waste: additive construction = minimal material offcuts Energy positive potential: solar panels + smar…

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How Data Centers Are Fueling a Global Copper Crunch 29:10

4d ago29:10

29:10

Copper is a cornerstone of the world’s infrastructure. From transportation to the energy transition to massive new data centers, demand for the metal is everywhere, and supply is feeling the crunch. Copper demand is forecast to outstrip supply by 6 million metric tons a year come 2035, but at the same time, market economics are limiting exploration…

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Fog → Drinking Water: The Simple Tech Bringing Potable Water to Arid Regions 1:19

3d ago1:19

1:19

These giant meshes turn fog into drinking water—no pumps, no power. It’s CloudFisher, a system developed by the German NGO WasserStiftung that captures airborne moisture with technical plastic nets stretched into the wind. How it works Zero energy: wind + fog, no electricity required Durable & recyclable: engineered to resist winds up to 120 km/h P…

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It’s different all over: Embracing the complexity of human biology 20:02

10d ago20:02

20:02

By uncovering critical sex-based differences related to brain and metabolic health, researchers Gillian Einstein and Minna Woo are making the case that tailored interventions are key to improving health outcomes for women — and everyone else. Through their work exploring how conditions from Alzheimer’s to kidney disease can have varied effects depe…

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Global Investment in Clean Energy Outpaces US Slump 30:11

10d ago30:11

30:11

Despite the gloomy headlines in the US, global investment into clean energy technologies is still rising. The first half 2025 saw a record $386 billion flowing towards clean tech, a 10% rise from the same period last year. Yet despite the continuing rise in investment numbers, the devil lies in the details. For instance, solar was propelled by smal…

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How OMV is pioneering Europe's sustainable aviation fuel transition 39:22

6d ago39:22

39:22

In this episode, we speak with Nina Marczell, Senior Vice President of Industrial Sales & Marketing for Fuels & Feedstock at OMV, who shares how the integrated energy company is leading sustainable aviation fuel development from early production to commercial scale across Europe. Marczell discusses: OMV's early-mover advantage, launching SAF produc…

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Floating Solar: Saving Water & Powering Communities #climatetech #deeptech #water #sustainability 1:12

12d ago1:12

1:12

💧☀️ In Australia, 1 trillion litres of water vanish every year — lost to evaporation. But what if the solution was simple… and powerful? Floating solar panels are changing the game. They shade reservoirs, cutting water evaporation by up to 50%, *while also generating clean electricity*. Even better, the cool water underneath helps the panels work m…

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Data Centers Could Supercharge US Gas Demand 31:10

19d ago31:10

31:10

Artificial intelligence needs power, and lots of it. If all the data centers in the current US pipeline get built, they could suck up the electricity from 100 nuclear power plants and still be left wanting more. One obvious solution for supplying this massive demand is natural gas, which is plentiful and cheap in the Lower 48, and now has the enthu…

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Renewables Bruised, Not Broken, by US Policy Shift 35:37

25d ago35:37

35:37

The One Big Beautiful Bill Act has reshaped the US clean energy landscape. Designed to scale back major US decarbonization programs while promoting fossil fuels, the OBBBA has severely restricted the rollout of solar, wind and energy storage projects while also taking direct aim at electric vehicles. The impact of the new law has been dramatic, but…

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How ZeroAvia is leading aviation’s transition to hydrogen-electric propulsion 59:06

23d ago59:06

59:06

In this episode, we speak with Val Miftakhov, CEO and founder of ZeroAvia, who shares how the clean propulsion systems company is championing hydrogen-electric engines that could transform commercial aviation. Miftakhov discusses: ZeroAvia’s vertical integration strategy for developing in-house fuel cells, power electronics, and motors. The company…

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From Hockey Star to Climate Innovator 1:09

25d ago1:09

1:09

From the ice rink to the fight against climate change. Brent Story once wore the jersey for Team Canada in hockey. Now he’s leading EmitiQ — a company making sustainability simpler for businesses around the world. Instead of endless reports and confusing rules, EmitiQ helps companies: ✔️ Measure emissions automatically ✔️ Follow climate rules corre…

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Direct Air Capture’s Cost Curve Conundrum 31:15

1M ago31:15

31:15

Right now, there are technologies that can pull carbon dioxide directly out of the air. That could be a critical tool in a world where climate change is rampant. Yet to fulfill this carbon removal potential, the sky-high costs of direct air capture need to fall. Today, capturing a metric ton of carbon dioxide with DAC costs around $900 on average, …

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Reshaping Trade Flows in a Fragmented World 33:43

1M ago33:43

33:43

The Trump administration’s ‘Liberation Day’ tariffs are reshaping global trade flows. With the US currently renegotiating its trade positions with traditional partners and rivals alike, the tariffs’ true impact is yet to be fully understood. Even the handful of new deals that have been struck offer little guidance, as they break from the legally bi…

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Why Loganair believes regional airlines will lead aviation's sustainable future 51:13

1M ago51:13

51:13

In this episode, we speak with Luke Farajallah, CEO of Loganair, UK's largest regional airline that operates the world's shortest commercial flight and the only airline globally that lands commercially on a beach. Farajallah discusses: Loganair's unique "fishing in a big pond" approach to sustainable aviation, investing simultaneously in SAF, hybri…

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CAMCO’s $250M REPP 2 Fund: Building the African grid of the future 41:52

1M ago41:52

41:52

In this episode of The Energy Talk, we delve into the inner workings of the REPP 2 fund, a groundbreaking initiative managed by Camco, aimed at transforming the renewable energy landscape in Sub-Saharan Africa. We welcome Ben Hugues (Fund manager of REPP 2) and Ieva Indriunaite (former head of REPP 2’s technical assistance facility), to share insig…

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BNEF Pioneers: Making Light Industry More Sustainable 55:06

2M ago55:06

55:06

Cutting industrial emissions has long been one of the most intractable hurdles in the energy transition. That may finally be changing, as a new generation of smart technologies not only paves the way for abating industrial emissions but promises to do so at scale. Four companies emerged victorious in this year’s BloombergNEF Pioneers challenge dedi…

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Fueling Change: Cutting Aviation’s Carbon Footprint 32:44

2M ago32:44

32:44

With air travel on the rise, the need for cleaner aviation is growing. Sustainable aviation fuel (SAF) presents the simplest means of decarbonization, but it’s expensive. Aircraft that burn less fuel, engines powered by hydrogen, and even electric air taxis are all potential means of decarbonizing air travel, but none are the silver bullet. So what…

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How Electra aims to bring sustainable air travel to communities everywhere 40:06

2M ago40:06

40:06

In this episode, we speak with Marc Allen, CEO of Electra.aero, who shares how the hybrid-electric aircraft company is using its patented blown-lift technology to make regional air travel more accessible. Electra is one of the visionary companies featured in our new book Sustainability in the Air: Volume Two. You can learn more about the book and o…

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6 Tips to Generate Revenue as a Deeptech or Climate Tech Founder 55:59

2M ago55:59

55:59

Are you building cutting-edge tech… but struggling to land your first customers? This video is for YOU. Whether you’re in deeptech, climate tech, or any science-based venture, I’ll walk you through 6 actionable sales strategies to help you go from prototype to paying customers — faster. 👇 What we’ll cover: 0:00 Intro — Why deeptech sales are hard 1…

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Harvest Halted: Why Agriculture Funding Is Withering 23:57

2M ago23:57

23:57

Agriculture is responsible for around a third of global emissions. Yet investment in low-carbon means of growing food has stalled. Venture capital and private equity funding has declined by a massive 76% since 2021, ag-tech firms have declared bankruptcy, and large companies are backtracking on their green ambitions. So are there any “good news” st…

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Why Twelve believes power-to-liquids will revolutionise sustainable aviation fuel production 33:42

2M ago33:42

33:42

In this episode, we speak with Etosha Cave, Co-Founder and Chief Science Officer of Twelve, who shares how the carbon transformation company harnesses carbon dioxide from industrial waste streams to produce efuels. Twelve is one of the visionary companies featured in our new book Sustainability in the Air: Volume Two. You can learn more about the b…

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Inside the Blackout That Froze the Iberian Power Grid 30:38

2M ago30:38

30:38

When the Iberian electrical grid blacked out earlier this year, there were real-life consequences. Widespread disruption of transportation, communication networks and essential services left Spain and Portugal temporarily paralyzed. Following the event, two separate reports were released by the Spanish government and the grid operator, Red Electric…

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Bonus: Will Trump’s bill trigger a ‘Big, Beautiful’ energy crunch? 29:34

2M ago29:34

29:34

This week, we explore how the legislation’s attack on renewable energy may push up electricity bills and damage US competitiveness in AI. The tax credits in President Joe Biden’s sprawling Inflation Reduction Act were introduced to help the US keep up with rising electricity demand by making clean power sources cheaper. But now the big bill has cha…

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Cold comfort: How to keep cool without destroying the planet 27:13

2M ago27:13

27:13

The hotter it gets outside, the more we use air conditioning, and the more we use air conditioning, the hotter it gets. AC units and refrigeration combined adds up to 10 percent of global greenhouse gas emissions. But how can we solve this cooling paradox? Building on last episode’s conversation with the UN’s global chief heat officer, host Manjula…

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Powering the Future with Yesterday’s Nuclear Waste: Hexana’s Big Bet 2:25

2M ago2:25

2:25

What if tomorrow’s clean energy came from yesterday’s nuclear waste? In this episode, we explore Hexana, a French deep tech startup developing a next-generation small modular reactor (SMR) designed to decarbonize heavy industries like steel, chemicals, and even green hydrogen production. Hexana’s sodium-cooled fast reactor doesn’t just generate hig…

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Capex and Investment in the New Industrial Revolution 31:48

2M ago31:48

31:48

Just how green are the investment portfolios of credit, equity and multi-asset funds? Building on its existing suite of banking and investment ratios, BloombergNEF has introduced the Energy Supply Fund-Enabled Capex Ratio, which assesses how much a given investment portfolio is contributing to low-carbon capital expenditures for every dollar direct…

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Seizing the green iron opportunity with ZESTY 50:44

3M ago50:44

50:44

The Innovating for Earth podcast series returns to discuss the green iron opportunity. Steel is the backbone of modern society, yet conventional steelmaking is one of the world's largest sources of industrial emissions. Green iron therefore offers a large opportunity to contribute to both global decarbonisation and development. If Australia can tak…

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EP: 38 The Rock-Solid Future of Carbon Removal w/ Enhanced Weathering 32:07

3M ago32:07

32:07

In this episode of Catching Carbon, we dive into a carbon removal method that's moving fast from theory to large-scale deployment: enhanced rock weathering (ERW). Our guest, Ryan King from UNDO, walks us through the science, economics, and real-world application of this XPRIZE-recognized technology. Ryan helps us understand why enhanced rock weathe…

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5G from Space: How Constellation Is Connecting the Disconnected 2:22

3M ago2:22

2:22

5G from Space: How Constellation Is Connecting the Disconnected What if you could stream Netflix from the middle of the Sahara—thanks to 5G from space? In this episode, we explore the bold vision of Constellation Technologies, a Paris-based startup building a low-orbit satellite network to deliver fiber-like 5G speeds anywhere on Earth. Founded by …

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Why IAG believes sustainable aviation requires both collaboration and competition 50:25

3M ago50:25

50:25

In this episode, we speak with Aaron Robinson, Vice President of Sustainable Aviation Fuel (SAF) at the International Airlines Group (IAG), which has become the top airline globally for SAF use. IAG is one of the visionary companies featured in our new book Sustainability in the Air: Volume Two. You can learn more about the book and order a copy he…

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AI Data Centers: Making Waves in the Energy Demand Sea 30:22

3M ago30:22

30:22

Everyone is talking about how much energy data centers and artificial intelligence will gobble up in the coming years. Yet AI is just one part of a vast, complex and constantly evolving energy landscape. So how will the AI revolution fit into a world where electric vehicles are displacing liquid road fuels, renewable-power projects are stuck in gri…

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Drones That Defy Physics: Inside Aerix’s Omnidirectional Revolution 2:49

3M ago2:49

2:49

Drones That Defy Physics: Inside Aerix’s Omnidirectional Revolution What if a drone could flip upside down, spin in place, and hold steady in a 100 km/h storm? In this episode, we explore the mind-blowing innovation of Aerix Systems, a French deep tech startup founded in 2020 by two engineering students in Gironde. Aerix has developed the world’s f…

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China Drives Global EV Sales as US Support Fades 34:40

3M ago34:40

34:40

Sales of electric vehicles are set for another record-breaking year. Thanks to falling battery costs and a rise in affordable models, plug-in EVs will represent a quarter of global passenger car sales in 2025. And while a rollback in government support has taken a bite out of EV uptake in the US, other countries are more than making up for this set…