All Episodes
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...
Cutting Carbon with a Side of Fries: Budderfly Lowers Energy Consumption by 40%
Budderfly is one of the fastest growing companies in America, with an unparalleled Energy-as-a-Service offering. For many small business owners, especially franchisees...
The Hidden Problem Wasting 10% of the World’s Energy—And Its Ingenious Fix
In 2009, Amit Gupta, a rising executive at Carrier, the global HVAC company, discovered a neglected technology inside the company called Aeroseal. It used aerosol part...
(Reprised) Green Hospitals: How Gundersen Switched to Renewables to Cut Costs and Improve Lives
In 2014, Gundersen Health, headquartered in La Crosse, Wisconsin, became the nation's first health system to eliminate fossil fuels, transitioning to 100% local renewa...
The Underground Climate Economy: Modernizing Cities from Below
Cities have nowhere to go but down to tap new sources of emissions-free, clean energy, harden assets against climate impacts, cut operational costs, and enhance urban ...
In Iowa, Wind Energy Sees No Red or Blue, Only Green
Iowa generates enough wind power to meet 77% of its energy demand. That's great for combating climate change and financially beneficial for local farmers, towns, and t...
Breakthrough Climate Tech Marketing: Rising Above a Sea of Same
Even the most innovative climate tech startups face marketing challenges. To gain traction or raise capital, they must generate brand awareness, educate the market, an...
No Grid, No Problem: d.light Transforms 180 Million Lives with Solar Power
Ned Tozun co-founded d.light in 2007 with a mission to provide safe, affordable, and sustainable energy solutions for all. Seventeen years later, d.light's solar produ...
Walk This Way: Redesigning Cities with Jeff Speck
What moves people to ditch their cars and use their own feet? The key, says Jeff Speck, is that the walk must be as good as a drive. Jeff wrote the book on walkability...
Clean Energy Transition with David Turk, Deputy Secretary of U.S. DOE
In just two years since the Inflation Reduction Act (IRA) became U.S. law, the clean energy economy has been on a tear: $380B in new investment by companies; 900 new a...
Climate Meets Crypto: CleanSpark’s Clean Energy Bitcoin Revolution
Bitcoin mining faces frequent criticism in climate circles for its voracious energy appetite. But what if that narrative is over-generalized or maybe even entirely mis...
Geothermal Comes with the House: The Future of Home Energy
Kathy Hannun began incubating within Google X, the startup that would become Dandelion, a home geothermal energy company that today is the largest and fastest-growing ...
Crime Fighters & Therapists: How Urban Trees Improve City Life
While saving the Amazon grabs headlines, the trees right outside your front door shape your life in important ways. The more trees in your city neighborhood, the less ...
Clean Streets: Piping Out Trash Below Cities in Pneumatic Tubes
Garbage trucks have gone missing in cities around the world. In neighborhoods from London to Barcelona and Singapore to Seoul, their unmistakable sight, sound, and sme...
Masterfully Planned: Hurricane-Proof, Zero-Energy Homes on Florida's Coast
Marshall Gobuty didn’t set out to build green when he became a real estate developer in his 50s. After a successful career in the clothing and furnishings industries, ...
Cities on the Move: Safe, Connected Bike Lanes Built 3X Faster
Fresh out of grad school, Kyle Wagenschutz was hired by the mayor of Memphis, TN, and given a daunting task: prevent the city from being named the "Worst Place to Bicy...
Wind, Water & Solar: 100% Clean Renewable Energy by 2035
Stanford professor Mark Jacobson wasn’t just dreaming of a world powered by renewable energy back in 2009—he was doing the math and architecting the plan. Jacobson tea...
Net Zero Energy Schools: Lower Emissions, Higher Standards in Baltimore
At Holabird Academy and Graceland Park, two net-zero energy Baltimore public schools, the future is already in session. Solar panels line the roofs, geothermal wells l...
Inside the 21st Century Race to Decarbonize Cities and Enrich Urban Life
Cities are in a race against time to cut carbon, and the stakes are high. Responsible for 70% of global emissions, urban centers around the world are stepping up. At t...
Robots Make The Cut: The Future of Lawn Care
Across America, a quiet revolution is unfolding—autonomous electric mowers are gliding silently across parks, ballfields, and backyards. These zero-emission machines c...
In Boise, Idaho, Geothermal Energy Heats Up Everyday Life
Geothermal energy's roots in America run deep. Before the Wright Brothers took flight and the first Ford Model-T rolled off the assembly line, residents of Boise, Idah...
Denver Public Schools Cut Carbon, Save Millions, and Inspire Future Leaders
After a determined two-year campaign, thirty Denver Public Schools (DPS) students convinced the School Board of Education to approve a climate policy to make the schoo...
Utah's Home Solar-Plus-Storage Model Could be the Blueprint for America
Though over a hundred solar companies fled the state when its utility, Rocky Mountain Power, cut solar incentives four years ago, Utah is one of the fastest-growing st...
Recycling Heat From Sewers and Vancouver's Green City Ambitions
Vancouver boasts the lowest carbon emissions per capita in North America and consistently ranks among the world’s most livable cities. That's no coincidence. This wee...