Inside the most sophisticated plan for solar geoengineering

Inside the most sophisticated plan for solar geoengineering

One of the biggest challenges with technologies that reduce greenhouse gas emissions is that they require mass adoption. Solar radiation management (SRM) has the opposite problem. By Stardust Solutions’ estimate, dispersing three million tons of reflective particles into the stratosphere could cool the planet by 1.5 degrees Celsius for the relatively small price of $30 billion; that's less than the cost of a single hyperscale data center. Despite concerns about such an endeavor, the company is building a proprietary particle injection system with the goal of being deployment-ready this decade. While Stardust says they won’t deploy without the explicit authorization of multiple governments, questions nonetheless remain around the safety and ethics of SRM. In this episode, Shayle sits down with Yanai Yedvab, CEO and co-founder of Stardust, to unpack how the technology works, its potential risks, and when to deploy it. Shayle and Yanai discuss topics like: - Why Stardust is eschewing sulfur dioxide in favor of naturally occurring, biodegradable amorphous silica and calcite particles - How Stardust’s technology incorporates real-time and holistic testing - Stardust’s commitment to only deploying under strict international regulation - How the company balances the risk that solar geoengineering will reduce the economic incentive to decarbonize heavy industries with the imperative of an immediate climate solution - Why Stardust structured itself as a private company rather than an academic or non-profit lab - Catalyst: Making sense of solar engineering - Catalyst: Serving data center load with carbon captureCredits: Hosted by Shayle Kann. Produced and edited by Max Savage Levenson. Original music and engineering by Sean Marquand. Stephen Lacey is our executive editor. This episode of Catalyst is brought to you by ENGIE, the smarter energy supplier. ENGIE doesn't just provide the power to run your business — they supply the energy to move it forward, with reliable, flexible solutions built for what's next. Learn more at engieresources.com. Catalyst is brought to you by EnergyHub. Peak season puts every grid to the test — and the utilities that pass are the ones that built flexible capacity before they needed it. EnergyHub works with more than 170 utilities to coordinate 2.5 million devices and 3.4 gigawatts of dispatchable flexibility through a single platform designed to perform when it counts most. See what that looks like at EnergyHub.com. Catalyst is brought to you by Bloom Energy. Bloom Energy fuel cells deliver affordable, ultra-reliable onsite power for hospitals, utilities, and data centers – at speed and at scale. Learn more by visiting BloomEnergy.com.

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