Clean Energy Has to Outcompete Fossil Fuels (Not Cancel Them)

The climate tech company copying trees to remake our world sustainably

On this episode of Future in Bloom, Steph Speirs speaks with Etosha Cave, co-founder and Chief Science Advisor at Twelve. Twelve is discovering new ways to recycle CO2 and transform it into the things we use in our everyday lives. Etosha discusses her journey from grad school, realizing nature doesn’t treat CO2 as waste, so why should we? She dives deep into the story of how she helped build a company that mimics photosynthesis to turn captured carbon and water into fuels and everyday products. Along the way, they discuss why CO₂ is such a “stubborn molecule,” how Twelve chose what to make from sixteen possible options, the role the Inflation Reduction Act played in their pivot to sustainable aviation fuel (SAF), and why the company can now produce jet fuel almost anywhere in the world. It’s a conversation about science, commercialization, and the belief that waste and pollution are design choices we can make differently.

It feeds half the world. It Also Emits 2% of Global CO₂. Can We Fix It?

In this episode of Future in Bloom, host Steph talks with Dr. Lea Winter, a chemical and environmental engineering professor at Yale, to explore how we can redesign the basic chemistry of our economy and actually reuse CO2. Lea breaks down why carbon isn’t just a pollutant to get rid of but an essential building block of our everyday lives. Her lab is developing ways to take CO2 from the atmosphere or industrial emissions and convert it into fuels, chemicals, and materials using reactions that could one day replace fossil-fuel-based manufacturing. Lea also explains how synthetic fertilizer enabled the population boom of the 20th century, but at a steep cost: massive fossil fuel dependence, significant CO2 emissions, and widespread nitrogen contamination of groundwater and ecosystems. Her lab is pursuing green ammonia pathways that use only air, water, and renewable electricity. Together, Lea and Steph discuss her work on transforming wastewater into a resource recovery opportunity, converting nitrogen contaminants into ammonia for fertilizer. Lea shares her vision of a truly circular chemical economy, one designed to eliminate waste, increase resilience, and expand access to essential resources for communities around the world.

Impermanent Philanthropy: A new way to think about legacy with Santhosh Ramdoss

What if the best thing a foundation could do was plan its own ending? In this episode of Future in Bloom, Steph Speirs sits down with Santhosh Ramdoss, President & CEO of Gary Community Ventures, to explore a radical idea that could reshape philanthropy: Impermanence. By 2035, Gary will have spent every dollar of its assets in service of Colorado kids and families, which intentionally departs from how most foundations operate. Santhosh shares the founding vision behind Gary’s sunset, why traditional endowments behave more like dams than rivers, and how his team is working to transform institutional wealth into community well-being. He also opens up about his own journey, what nature can teach all of us about letting go, and how to leave the world better than we found it.

Better Soil with Natural Carbon Removal: A Yale Geochemist Explains

What if one of the most powerful climate solutions wasn’t something we needed to build, but something the Earth has been doing for billions of years? In this episode, Steph Speirs sits down with Dr. Noah Planavsky, a geochemist at Yale University and one of the world’s experts on enhanced rock weathering. They explore how crushing silicate rocks like basalt and spreading them on farmland can accelerate a natural process that pulls CO₂ from the atmosphere and locks it in the ocean for thousands of years. All this both improves soil health and boosts crop yields. Dr. Planavsky breaks down the science, explains why farmers already understand soil chemistry better than most academics, and makes the case that carbon removal should benefit the communities where it operates. He shares his choice to co-found two carbon removal companies and then walk away from any financial stake so he could advocate for transparency and sound science.

The 200 People Who Control Your Electricity Bill

Charles Hua, founder of Powerlines and former US Department of Energy strategist, makes the case that America’s energy affordability crisis is a regulatory problem. With 80 million Americans struggling to pay their utility bills, and rates rising at the fastest pace in a generation, Charles points out the real power to control consumer prices resides with Public Utilities Commissioners, roughly 200 people he calls “The Supreme Court Justices of Energy.” This small group controls more than $200 billion a year in utility spending. This, all within a system designed almost a century ago. Steph and Charles discuss why the grid runs at just 50% efficiency, how “capex bias” rewards utilities for building new infrastructure instead of optimizing what already exists, what the rise of data centers could mean for your power bill, and the inexpensive and solutions we could implement quickly if they get the greenlight from regulators. Whether you’re in climate tech, policy, or just nervous to open your electric bill lately, this episode will open up a world we don’t see or think about that often, happening behind every flip of a lightswitch.