All Episodes
Hemp Grows Up: A Long-Awaited Crop Now Insulates U.S. Homes
Industrial hemp always had believers. What it lacked was a supply chain. Hempitecture is changing that—starting with the first commercial-scale factory in the U.S. mak...
Electrify Everything: Span’s Big Bet on the Dumbest Box in the House
Consumers want the upgrades. The climate does too. But the electrical panel in the garage stands in the way.EVs, heat pumps, induction stoves—electrification is becomi...
Clean Energy Is Dead. Long Live Clean Energy.
America invented the clean energy future. Now it may be dismantling it, just as the rest of the world hits the accelerator.The U.S. was first. The first silicon solar ...
Profits at Recycling's Edge: TerraCycle Finds ROI in Trash No One Wants
TerraCycle takes on waste the rest of the world ignores—cigarette butts, diapers, pharmaceutical blister packs.But what makes the model work isn’t what they recycle. I...
Built for the EV Generation: Formula E Energizes 500 Million Global Race Fans
When Roger Griffiths first heard about Formula E in 2014, he was intrigued but skeptical. A veteran of IndyCar, Le Mans, and Formula 1—and a self-described petrol head...
Cleaning the Grid: Wärtsilä Tackles the Toughest Battery Storage Projects on Earth
Grid battery storage has gone from niche to necessary. Fast. Projects that were once 300 megawatt-hours are now hitting 9 gigawatt-hours. And companies like Wärtsilä a...
The ROI on Climate Capital: A Mayor’s Blueprint for Citywide Renewal
Jaime Pumarejo helped lead Barranquilla, Colombia, through a stunning transition. When he first joined the city’s government in his twenties, Barranquilla was under ba...
Solar, Semiconductors, and the American Dream: Enphase Is a $5.5B Climate Tech Powerhouse
The energy grid we know today was built for a different era—centralized generation, one-way power flow, no rooftop solar, no EVs, no AI-driven demand. If Thomas Edison...
Racing the Clock: Wasteless Turns Expiring Food into Profit for Grocers Worldwide
If food waste were a country, it would be the third-largest emitter, right behind the United States and China, accounting for 8-10% of global carbon emissions. It’s a ...
Cities Have The Climate Ambition—Now Mayors Are Rewriting Global Finance to Match
Before becoming the youngest elected mayor in Quito’s history, Mauricio Rodas had already founded a political party, launched a think tank in Mexico City, and run for ...
Trove Turns Recommerce into a Profit Driver for Patagonia, Levi’s and On
Circularity isn’t just about keeping t-shirts and jeans out of landfills. Done right, it’s a growth engine for brands. That’s exactly what Trove is building: the recom...
The Mayor Who Cut Carbon, Cut Bills, and Cut a Billion-Pound Deal
As mayor of Bristol, Marvin Rees helped launch a billion-pound public-private partnership to decarbonize his city, one of the most ambitious deals of its kind anywhere...
Rare Earths, Recycled: Cyclic Materials Cuts Into China's 90% Head Start
Rare earth magnets power the modern world and the clean energy transition. They’re inside every electric vehicle motor, wind turbine, MRI machine, and computer hard dr...
3x the Grid: Siemens Energy and the Race to Rewire the Future
It took over a century to build today’s power grid. Now we need to triple its capacity by 2050. Why? Because demand is surging, and a net-zero future depends on a bigg...
Simple, Unstoppable: Rondo Energy is Solving Industrial Heat with Bricks
Rondo Energy is building a renewable energy battery using bricks and toaster wire. But it’s not for your home—it’s for the factories that run the world. Industrial hea...
Apple-ifying Energy: Renew Home Makes Virtual Power Plants Painless & Profitable
Fifteen years ago, smart thermostats promised to save you money and learn your habits. Today, they—and other grid-connected devices and appliances—are forming the back...
Reuse, Rock ‘n’ Roll & the Circular Economy
Mike Martin helped launch the first climate change concert tour with Dave Matthews. He’s worked with Billie Eilish to flip venues vegan and wrote the green touring pla...
Old Giant, New Vision: Johnson Controls Puts Carbon Reduction on Autopilot
Johnson Controls helped invent modern air conditioning. Now, it’s reengineering how buildings cut carbon — using AI and automation to make infrastructure smarter, clea...
The E-Bike Boom: How Upway Is Winning the Million-Bike Market
E-bikes are booming—nearly as many were sold in the U.S. last year as electric cars. But while EVs get the attention, e-bikes are quietly reshaping how people move, cu...
Power Moves: Turning Clean Energy into a Simple, Irresistible Lifestyle
How do you make solar adoption irresistible? By not selling solar.This week on Supercool, we’re joined by Mary Powell, CEO of Sunrun, and Jessica Bergman, a marketing ...
Telling the Future: Climate, Capital, and the Power of Story
Supercool regularly speaks with innovators working at the intersection of business, technology, and climate—AI giving buildings brains, pneumatic tubes hauling away tr...
There’s a New Clean Energy Grid in Town—And It’s Your House
Since 2018, GoodLeap has financed home solar, batteries, and efficiency upgrades at an unprecedented scale—serving over 1 million customers and originating more than $...
The Architects Who Don’t Wait For Permission
CannonDesign is building a reputation for designing buildings that eliminate carbon and improve lives. In 2024, Metropolis Magazine recognized the firm as its Planet P...
AI Has Entered the Building: The Future of Energy Management is Here
What if buildings could think for themselves—anticipating energy needs, preventing breakdowns, and adjusting to outside weather conditions in real-time? In this episod...
Hot Rocks: The Battery That is Changing Industrial Energy
Industrial heat is one of the biggest, most stubborn sources of carbon emissions—responsible for nearly a quarter of global greenhouse gases. High costs, complex retro...
Zero-Carbon Compute: How TeraWulf Powers The Future of AI and Bitcoin
Best known as one of the industry's most efficient Bitcoin miners, TeraWulf is expanding into high-performance computing (HPC) data centers for AI. Critics slam AI and...
$72 Billion Brokered: CRC-IB is Clean Energy's Dealmaker
Who is paying for the clean energy revolution? Today, we’re diving into the financial side of the transition—where the trillions of dollars needed to move civilization...
Right on Schedule: Zum Gives America’s School Buses a 21st Century Upgrade
Every day, 27 million kids ride 500,000 school buses—the largest transit system in America. And yet, this 80-year-old relic is stuck in the past: buses are late, route...