Bottling the Sky: Aircapture's Carbon Capture Breakthrough

When you think about climate change solutions, your mind might go to renewable energy, electric vehicles, or eating less meat. These are all of course important. But even if we stopped all emissions today, we'd still have too much CO2 in the atmosphere and would need to pull a lot of our emissions out of it.

That's the bold mission of Aircapture, a California-based company pioneering modular direct air capture technology.

On this episode, I speak with Matt Atwood, Aircapture's founder and CEO, about how his company is not only working to reduce atmospheric CO₂, but also profitably supplying it to industries that rely on the gas today—like beverage makers, greenhouses, and more. Instead of relying on fossil fuel byproducts or ethanol fermentation for their CO₂, companies can now get a cleaner, more reliable, and often cheaper supply directly from the air.

Matt explains how Aircapture's approach differs from traditional large-scale carbon capture projects by focusing on on-site, modular units that can be shipped in a container and installed within weeks. These systems already commercially operate in the U.S., Europe, the Middle East, and Asia, giving customers local CO₂ while shrinking supply chain emissions.

We dig into the economics of direct air capture, the climate math of whether it truly reduces atmospheric carbon, and the criticisms that it could provide a "moral license" to keep burning fossil fuels. Matt also shares how Aircapture recently raised a $50 million Series A—during a tough climate tech funding market—and what gives investors confidence that their model will scale where others have stumbled.

If you've ever wondered whether pulling CO₂ out of thin air is realistic—or just hype—this conversation will give you a fascinating inside look.

Discussed in this episode

• Our past episode with Make Sunsets about sulfur dioxide injections into the atmosphere.

• We've done other episodes on geoengineering, for example on olivine spreading (Vesta and Eion), sulfur dioxide injections (Make Sunsets), direct carbon capture (Global Thermostat).

• Al Gore's skepticism about direct air capture.

• Matt recommends reading Ministry for the Future.

• Paul recommends Dan Carlin's The End is Always Near.

• Matt reflects on his earlier work with Algae Systems and why he thinks wastewater treatment improvements are so important.

• Paul suggests tackling wastewater treatment with Neurospora species, as discussed here, here, here, and elsewhere.

Get to Know Matt Atwood

Matt is a technologist, chemist, entrepreneur and pioneer in the DAC space. He has over 20 years experience in renewable and climate technology development and over a decade of experience with DAC and CO2 utilization technologies.

Matt developed the world's first energy-positive wastewater treatment platform as Founder & CEO of Algae Systems.

He has built and commercialized technologies in CO2, water, AgTech, waste treatment, and biofuels.