Earthlings 2.0 Podcast

In this episode of Earthlings 2.0, we speak with Theo Ludwick, Co-Founder and Managing Partner at NosTerra Venture Capital, about the infrastructure behind AI's rapid growth. Theo explains why electricity has become one of the biggest bottlenecks facing AI data centers, how operators are balancing power and water use, and why energy efficiency could help unlock additional data center capacity in the near term. The conversation also explores emerging energy and cooling technologies, the shift from AI training to inference, data centers as critical infrastructure, and where investors are finding opportunities across the next generation of AI infrastructure.
Check out a few of our previous episodes on data centers:
#173 - Active Diesel Particulate Filters: Unlocking Cleaner Growth for Data Centers With Rypos
#164 - How the Grid Could Survive the AI Boom with Solid State Transformers With DG Matrix

Key Points:
Electricity is becoming a major bottleneck for AI data centers – The rapid growth of AI compute is driving greater demand for power. Theo explains that addressing this challenge will require a combination of energy efficiency, grid flexibility, new generation, storage, and other technologies rather than a single energy solution.
Data center efficiency could unlock more capacity in the near term – While new power generation can take years to deploy, technologies that improve efficiency and flexibility can be implemented sooner. Better chips, cooling, system orchestration, batteries, and flexible loads could help data centers use existing grid capacity more effectively as AI demand grows.
The shift from AI training to inference could reshape data center infrastructure – AI training has favored large, centralized data centers, but inference can operate across a wider range of computing environments. As inference grows, Theo expects opportunities for smaller data centers located closer to population centers, potentially changing how facilities are designed, powered, and distributed.

Theo Ludwick, Co-Founder and Managing Partner at NosTerra Venture Capital, LinkedIn

Lisa Ann Pinkerton, Earthlings 2.0 Host, CEO of Technica Communications, CEO of PRVIEW, and Founder of Women in Cleantech and Sustainability, LinkedIn

🚀 Calling all Earthlings…
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In this episode of Earthlings 2.0, we speak with John Bonitz, Clean Transportation Project Manager at the North Carolina Clean Energy Technology Center and one of the organizers behind the Sustainable Fleet Technology Conference & Expo. The conversation explores how commercial fleet electrification is moving beyond pilot projects and into real-world deployment. As fleet operators face rising fuel costs, evolving regulations, new charging technologies, and growing amounts of operational data, the conversation is shifting from whether to electrify to how to build fleets that are reliable, resilient, and cost-effective. John discusses fleet electrification, EV charging infrastructure, telematics, AI-powered fleet management, smart charging, alternative fuels, and why understanding each fleet's unique duty cycle is essential for making sustainable transportation work in practice.
Key Points:
Fleet electrification is entering a new phase of practical deployment – Operators are focused on proven technologies that reduce operating costs, improve reliability, and increase resilience rather than simply testing new concepts. The conversation has shifted from pilot projects to implementing solutions that deliver measurable results.
Charging strategy is just as important as vehicle selection – Smart charging, telematics, and even Level 1 overnight charging can significantly reduce costs while making fleet electrification more accessible for municipalities, small businesses, and commercial operators.
No single technology can meet every fleet's needs – John emphasizes that successful fleet electrification starts with understanding each fleet's duty cycle and operational requirements. Whether the best solution is battery electric vehicles, biodiesel, propane, compressed natural gas, ethanol, or another alternative fuel depends on the specific application, making a technology-neutral approach essential for long-term success.

John Bonitz, Clean Transportation Project Manager at the North Carolina Clean Energy Technology Center, LinkedIn

Sarah Malpeli, Earthlings 2.0 Guest Host, Vice President of Client Services and Growth at Technica Communications, LinkedIn

🚀 Calling all Earthlings…
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We want to learn more about you! It’ll take just a few moments to complete our survey. Thank you for helping us make your listening experience the best it can be!
Are you new to Earthlings 2.0 and don’t know where to get started? Check out our Life at 3C episode on our website
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In this episode of Earthlings 2.0, we speak with Thomas Babineau, Senior Emissions and Technology Advisor at Rypos, about one of the least discussed environmental challenges surrounding AI data centers: diesel backup generators. As data centers expand to support artificial intelligence, cloud computing, and digital infrastructure, most continue to rely on diesel generators to provide emergency backup power during grid outages. Thomas explains why diesel remains the most reliable option for mission-critical facilities such as data centers and hospitals, and explores how advanced diesel particulate filter technology can reduce harmful particulate emissions by up to 95%. The conversation examines diesel emissions, public health, backup power, data center sustainability, emissions regulations, and practical pathways to reducing air pollution while maintaining grid resilience.
Check out our previous episodes on the AI build-out:
#170 - Turning Grid Transformers into Intelligent Infrastructure with Ionate Energy
#168 - Cracking the Code on Building Energy Costs With Edgecom Energy
#164 – How the Grid Could Survive the AI Boom with Solid State Transformers With DG Matrix

Key Points:
Diesel backup generators remain essential for critical infrastructure – Data centers, hospitals, ports, and other mission-critical facilities rely on diesel generators because they can start within seconds, operate for extended periods, and provide reliable backup power when electricity is unavailable.
Particulate matter from diesel engines is an overlooked environmental challenge – Diesel generators produce fine particulate matter linked to respiratory illness and other health risks. Advanced diesel particulate filters can significantly reduce these emissions without replacing existing backup power systems.
Cleaning existing diesel infrastructure can support more sustainable data center growth – As AI drives rapid expansion of data centers, emissions-control technologies offer a practical way to improve local air quality while maintaining the reliability required for critical digital infrastructure.

Thomas Babineau, Senior Emissions and Technology Advisor at Rypos, LinkedIn

Luis de Leon, Earthlings 2.0 Guest Host

On this episode of Earthlings 2.0, we speak with Sunrise Movement Executive Director Aru Shiney-Ajay about the future of youth climate organizing and why action depends on building a more representative democracy. Aru explains how the climate movement is connecting emissions reduction with green jobs, healthcare, public transit, economic security, and fossil fuel accountability. The conversation also explores the Make Polluters Pay campaign, the climate impact of AI data centers, corporate control of social media, and how young organizers can turn protest into lasting political power. At the center of the discussion is a more hopeful vision of climate action. A vision that focuses not only on stopping environmental harm but also on building a healthier, fairer, and more livable future.
Also, check out our episode on navigating the polycrisis mentioned in the show: https://earthlingspodcast.com/episodes/103-navigating-polycrisis/
Key Points:
Climate action can improve everyday quality of life – The transition away from fossil fuels can support well-paying green jobs, stronger public transit, healthier food systems, better economic mobility, and more affordable communities.
Youth climate organizing requires both public pressure and political power – Sunrise combines protest, grassroots organizing, electoral engagement, and leadership development to help young people influence institutions and shape public policy.
AI is creating a new challenge for the climate movement – Data center growth could increase fossil fuel demand, but public policy could also require AI companies to invest in clean energy, improve energy and water efficiency, and support green job creation.

Aru Shiney-Ajay, Executive Director of the Sunrise Movement, LinkedIn

Lisa Ann Pinkerton, Earthlings 2.0 Host, CEO of Technica Communications, and Founder of Women in Cleantech and Sustainability, LinkedIn

🚀 Calling all Earthlings…
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We want to learn more about you! It’ll take just a few moments to complete our survey. Thank you for helping us make your listening experience the best it can be!
Are you new to Earthlings 2.0 and don’t know where to get started? Check out our Life at 3C episode on our website
Thanks for tuning in! If you like what we’re doing over at Earthlings 2.0, you can support us by heading over to our Patreon Page.
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Thanks to Resource Labs for having us on the network!

In this episode of Earthlings 2.0, we speak with Hendrik Tiesinga, founder and CEO of Climate Edge. Maritime shipping is one of the world's biggest decarbonization challenges and is responsible for moving roughly 80% of global trade. The shipping industry is under increasing pressure to reduce emissions while continuing to power the global economy. Hendrik explains why scaling clean shipping requires more than new fuels; it also depends on financing, improved energy efficiency, and faster deployment of proven technologies. The conversation explores maritime decarbonization, alternative marine fuels, electric ships, battery technology, port electrification, and how innovation can help move the industry beyond pilot projects toward large-scale adoption.
Check out a few of our previous maritime episodes, including:
#46 – Sailing the Silent, Solar-Powered Seas
#52 – Zeroing in on Hydrogen for Marine Transportation

Key Points:
Decarbonizing shipping requires more than replacing fossil fuels – Clean fuels such as green methanol, ammonia, and biofuels all have tradeoffs, making energy efficiency, electrification, and new financing models critical alongside fuel innovation.
Many of today's clean shipping technologies are ready to deploy – Hull-cleaning robots, wind-assisted propulsion, AI route optimization, battery-electric vessels, and port electrification can reduce fuel consumption and emissions today while the industry prepares for longer-term fuel transitions.
Getting beyond pilot projects will require new investment models – Maritime decarbonization depends on connecting climate technology startups, infrastructure investors, ports, and shipping companies so proven technologies can scale across the global shipping industry.

Hendrik Tiesinga, founder and CEO of Climate Edge, LinkedIn
Lisa Ann Pinkerton, Earthlings 2.0 Host, CEO of Technica Communications, CEO and Founder of PRVIEW, and Founder of Women in Cleantech and Sustainability, LinkedIn

🚀 Calling all Earthlings…
Visit our website for more episodes!
Sign up to our newsletter for the latest news on the most exciting technology and research shaping our futures!
We want to learn more about you! It’ll take just a few moments to complete our survey. Thank you for helping us make your listening experience the best it can be!
Are you new to Earthlings 2.0 and don’t know where to get started? Check out our Life at 3C episode on our website
Thanks for tuning in! If you like what we’re doing over at Earthlings 2.0, you can support us by heading over to our Patreon Page.
Let’s stay connected! Follow Earthlings 2.0 Socials for the latest updates and news:
Follow us on LinkedIn
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Thanks to Resource Labs for having us on the network!