CleanTechies

Jan 27 2025 231 ep. 49 mins 28
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Welcome to the CleanTechies Podcast, the #1 Podcast for Climate Tech Entrepreneurs
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#232 The Carbon Capture Startup Google Bet Big On—And Why It’s a Cheaper | Anca Timofte (Holocene)

Jan 27 2025 33 mins  
In This EpisodeIn today’s episode of CleanTechies, we’re joined by Anca Timofte, the CEO and Founder of Holocene, a direct air capture (DAC) company revolutionizing carbon removal through a continuous-loop liquid system. With over a decade of experience in carbon capture—including being one of the first employees at Climeworks—Anca offers unparalleled insight into the chall

#231 How to Cut Costs AND Eliminate Emissions in Homes [BY 90%+] w/ Jane Melia (Harvest Thermal)

Jan 23 2025 27 mins  
Jane Melia is the CEO and Co-Founder of Harvest Thermal, revolutionizing home heating with heat batteries.Jane’s journey began with a vision to make home electrification both cost-effective and climate-friendly. Harvest Thermal has developed a patented system that combines heat pumps with thermal storage, reducing household emissions by 90% and energy bills by 30%, all while prov

#230 This Founder Built a $5M Climate Tech Startup in Africa (Here’s How!) w/ Martin Freimuller (Octavia Carbon)

Jan 16 2025 30 mins  
Martin Freimüller, the CEO and Co-Founder of Octavia Carbon, a cutting-edge Direct Air Capture (DAC) company based in KenyaMartin’s journey began with a deep appreciation for Africa’s potential and the realization that Kenya, with its abundant geothermal energy and skilled talent pool, is the perfect location for DAC. In just two and a half years, Octavia Carbon has developed

#229 How to Make Money on Pilot Projects w/ Martin Schichtel (KRAFTBLOCK)

Jan 10 2025 34 mins  
On today’s episode, we’re speaking with Martin Schichtel, the CEO and Founder of Kraftblock, a thermal energy storage solution for industrial clients that use high heat. Today, they’re delivering their 5th project. All of which have been paid for by their customers — yep, you read that right. They have not used equity to pay for these pilot and demonstration projects. Their

#228 How to Invest in ClimateTech in 2025 like a Day 1 Investor w/ Joshua Posamentier (Congruent Ventures)

Jan 07 2025 30 mins  
Joshua Posamentier is the co-founder and managing partner at Congruent Ventures, an early-stage venture capital fund focused exclusively on climate tech. With a background in physics and a career that began in the semiconductor industry, Josh transitioned into climate investing after holding various roles at Intel and Prelude Ventures. Widely regarded as an OG in the climate tech s

ClimateTech Wrapped 2024

Dec 27 2024 37 mins  
Our reflections and musings as we close out the year...Topics01:28 2024's Top CleanTechies Episodes07:37 Insights12:49 Reflections on Branding and Storytelling20:22 Milestones and Achievements in 202426:12 Key Lessons for Climate Tech Startups34:59 Future OutlookSupport the showEvery ClimateTech Entrepreneur needs a reliable partner for their legal needs. Why settle for less than t

#226 What Working With Governments to Tackle Climate Change Looks Like w/ Julia Kumari Drapkin (ISeeChange)

Dec 18 2024 30 mins  
Julia Kumari Drapkin is the CEO and founder of ISeeChange, a data platform that combines resident-generated insights with AI to address climate adaptation challenges. Julia’s background as a climate science reporter, covering disasters like Hurricane Katrina, inspired her to bridge the gap between people’s lived experiences and actionable climate solutions. Her expertise in sto

#225 Solving Sulfur Waste while Capturing Carbon & Producing Sulfuric Acid & Hydrogen w/ Owen Cadwalader (Travertine)

Dec 11 2024 37 mins  
Learn how this carbon capture startup also produces green chemicals AND hydrogen -- how they funded their first demo plant -- their secrets to building a resilient business model -- and what he would advise Trump's admin in order to help keep climate on track while also competing with China. Listen Time: Full Show 58:31 (no ads) | Free Preview 37:14On today’s episode, Owen Cadwal

#224 How to Scale up Anode Manufacturing in the US w/ Gleb Yushin (Sila Nanotechnologies)

Dec 05 2024 41 mins  
Hear the story of how Sila Nanotechnologies has successfully developed, taken to market, and scaled up a new Anode technology for the battery industry. -- Learn the importance of Job Creation in landing funding -- Understand why CleanTech is actually bi-partisan -- and Understand where the puck is going with the battery industry.Listen Time: Full Show 1:09:26 (no ads) | Free Previe

#223 Everything You Need to Know About ClimateTech Politics (DoE, DoD, GovTech, Partnerships, & More) w/ Nate Loewentheil (Commonweal Ventures)

Nov 26 2024 34 mins  
Nate Loewentheil is the founder and managing partner of Commonweal Ventures, an early-stage venture capital firm focused on solving America's biggest challenges through entrepreneurship. Nate’s career spans angel investing, politics, and public policy. Previously, he served in the Obama White House, advising President Obama on emerging technologies such as clean energy and broadb