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Artwork for Climate Cowboys
Climate Tech
Climate Change
Venture Capital
New York Climate Week
Renewable Energy
Climatetech
Electric Vehicles
Climate Technology
Sustainability
Decarbonization
Energy Storage
Climate Tech Startups
Cleantech
Nuclear Energy
Critical Minerals
Trump Administration
Clean Technology
Robotics
Recycling
Fossil Fuels

Climate Cowboys | The founders and futurists building the hard-tech frontier. A generation of the most talented engineers built photo-sharing apps and SaaS on top of SaaS. None of it helped the power stay on, the supply chains hold, or the country make the things we need. The smartest people in tech are finally moving into real tech. Tech with a physical footprint: batteries, grid software, microb... more

PublishesTwice monthlyEpisodes296Founded6 years ago
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Artwork for Climate Cowboys

Latest Episodes

Mining isn't the bottleneck for critical minerals—refining is. Traditional metal refining takes months and relies on toxic chemical processes, driving the supply chain straight to China.

In this episode, Nikhil Gupta (Founder & CEO of Determinant Ma... more

YouTube

The "climate" label might be under pushback, but the demand for energy, critical minerals, and resource security is skyrocketing. In this episode, Chad Rickaby from ClimateDoor breaks down how successful climate tech companies are reframing their val... more

YouTube

In this episode of Climate Cowboys, host Silas Mahner sits down with Sampriti Bhattacharyya, founder and CEO of Navier, at their headquarters in Alameda, California.

While traditional maritime manufacturing remains antiquated and reliant on brute fo... more

Silas Mahner previews NY Climate Week’s most exclusive event: the Climate Capital Summit by Equal Ventures.

Gathering over $1.3 trillion in climate capital and federal funding, this invite-only summit on September 24th features legends like Sophie P... more

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Recent Guests

Nikhil Gupta
Founder/CEO of Determinant Materials, expert in microparticle refining for metals
Determinant Materials
Episode: #294 The $3 Trillion Problem: Reindustrializing America’s Critical Mineral Supply | Nikhil Gupta (Determinant Materials)
Chad Rickaby
CEO of ClimateDoor
ClimateDoor
Episode: #293 Why the "Green Premium" Is Dead (And What’s Actually Winning Right Now) | Chad Rickaby (ClimateDoor)
Sampriti Bhattacharyya
Founder/CEO at Navier
Navier
Episode: #292 She built a flying boat in 10 months. VCs said it would take 5 | Sampriti Bhattacharyya (Navier)
Sam Calisch
Founder of Copper (copperhome.com)
Copper
Episode: #290 Is This What a Kitchen Stove Would Look Like If Steve Jobs Designed It? | Sam Calisch | Copper
Will O'Brien
Co-founder of Ulysses, ocean robotics founder
Ulysses
Episode: #001 Stewardship Tech & Ocean Robotics w/ THE Ocean Cowboy. Will O'Brien. Ulysses.
Carter Li
CEO and founder of SWTCH Energy
SWTCH Energy
Episode: #288 Why Your Apartment Building Doesn't Have EV Chargers (And How to Fix It) | Carter Li (SWTCH Energy)
David Reasenberg
Chief Commercial Officer at Heliene
Heliene
Episode: #287 How to Build a Kick-Ass Sales Team in CleanTech | David Reasenberg, Heliene
Michael Lehmann
Media training expert, founder of Lehmann's Terms
Lehmann's Terms
Episode: #286 A Media Training Expert Gives Away His Most Powerful Secrets for CleanTech Founders | Michael Lehmann (Lehmann's Terms)
Robert Bagheri
Founder, CEO and Chairman of Sakuu
Sakuu
Episode: #285 CleanTechies Pod: 3D Printed Batteries w/ Robert Bagheri (Sakuu)

Host

Silas Mähner
CEO and founder with involvement in CleanTech recruiting and multiple climate tech ventures

Reviews

4.8 out of 5 stars from 45 ratings
  • THE podcast for everything clean tech

    Silas and Somil do a wonderful job of extracting real insights and stories - not scripted answers. The guests and their companies are eye opening, and I would recommend a listen to anyone who’s vaguely curious about what’s being done to build a better Earth.

    Apple Podcasts
    5
    CalebSH98
    United States2 years ago
  • Excellent

    Great podcast with a lot of depth and nuance to it. Silas does a good job of asking the right questions.

    Apple Podcasts
    5
    Sunil Kurien
    United States3 years ago
  • Very authentic

    I love hearing about both the ups and downs. Very relatable.

    Apple Podcasts
    5
    Mary567890
    United States3 years ago
  • Good content

    Host needs a pop filter for his mic.

    Apple Podcasts
    4
    cxthom
    United States4 years ago
  • Fascinating content in a digestible format

    Silas unpacks a wide range of important topics in a friendly way with some fantastic guests! Check it out!

    Apple Podcasts
    5
    smb1003
    United States4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Production is strong with actionable insights for sponsors and guests alike.
High-value insights into go-to-market, fundraising, and regulatory dynamics.
Host balances technical depth with accessible storytelling.
Guests are diverse, bringing real-world experience from manufacturing to policy.
Listeners praise the deep, unscripted conversations and practical takeaways for hardware-focused climate ventures.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#249
South Korea/Technology

Talking Points

Recent interactions between the hosts and their guests.

#294 The $3 Trillion Problem: Reindustrializing America’s Critical Mineral Supply | Nikhil Gupta (Determinant Materials)
Q: What makes onshoring refining more compelling than nearshoring or relying on imports?
Onshoring offers strategic independence, reduces risk from geopolitical tensions, improves supply chain security for hyperscalers and defense sectors, and aligns with bipartisan policy momentum and funding—creating a practical path to revitalizing American industry.
#294 The $3 Trillion Problem: Reindustrializing America’s Critical Mineral Supply | Nikhil Gupta (Determinant Materials)
Q: Why hasn't this been done before at scale, given the atom-level processing used in traditional refining?
The guest explains that the industry has been locked into established chemical procedures that require expensive, slow, and hazardous processing; their macro-scale microparticle approach bypasses these bottlenecks, enabling faster, cheaper, and safer refining. The shift also leverages existing flightlines of feedstock and geopolitical incentives to bring refining closer to domestic sources.
#292 She built a flying boat in 10 months. VCs said it would take 5 | Sampriti Bhattacharyya (Navier)
Q: Why did you choose to build in ten months rather than years, and how did you achieve that pace?
The team focused on a solid foundational platform, rapid prototyping, and leveraging advances in sensing, computing, and manufacturing to compress development time while maintaining reliability and scalability.
#292 She built a flying boat in 10 months. VCs said it would take 5 | Sampriti Bhattacharyya (Navier)
Q: What is Navier currently selling, and who are your initial customers?
Navier started by selling recreational boats to everyday customers to collect real-world data, before expanding into dual-use transportation and defense markets. The approach was to prove the technology with real users and then scale.
#291 Building Physical Infrastructure at the Speed of Software | Cole Ashman | Pila |
Q: How is manufacturing going, and what lessons would you share about working with a third-party producer?
Manufacturing is going well, with emphasis on testing partnerships, design for manufacturing, iterative learning, and building a supply chain map to understand strengths and weaknesses of component vendors.

Audience Metrics

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Frequently Asked Questions About Climate Cowboys

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These podcasts share a similar audience with Climate Cowboys:

1. Catalyst with Shayle Kann
2. Energy Empire
3. Open Circuit
4. Pivot
5. All-In with Chamath, Jason, Sacks & Friedberg

How many episodes of Climate Cowboys are there?

Climate Cowboys launched 6 years ago and published 296 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Climate Cowboys?

Recent guests on Climate Cowboys include:

1. Nikhil Gupta
2. Chad Rickaby
3. Sampriti Bhattacharyya
4. Sam Calisch
5. Will O'Brien
6. Carter Li
7. David Reasenberg
8. Michael Lehmann

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