Sustainability In Your Ear
Mitch Ratcliffe interviews activists, authors, entrepreneurs and changemakers working to accelerate the transition to a sustainable, post-carbon society. You have more power to improve the world than you know! Listen in to learn and be inspired to give your best to restoring the climate and regenerating nature.
Episodes
Every gallon of wastewater flowing through a municipal sewer contains recoverable energy, nutrients, and water—assets that the linear "flush and forget" model has long treated as problems to dispose of rather than value to recapture. Meet Kevin Shafer, who has spent more than two decades proving otherwise. As executive director of the Milwaukee Metropolitan Sew...
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Global investment in the energy transition reached $2.2 trillion in 2025, up 5% from the previous year despite political headwinds intensified. Peter Fusaro has watched this market evolve from a niche curiosity into a systemic financial concern. As founder of the Wall Street Green Summit, he's spent a quarter century connecting capital to climate solutions. Th...
What we call waste is really just misallocated feedstock—raw materials waiting to be cycled back into the next generation of products and packaging. According to research by the World Economic Forum and United Nations Development Programme, the circular economy could unlock $4.5 trillion in new global value by 2030, and investors are racing to capture part of that ...
Amazingly, the same Congressional bill that gutted residential clean energy tax credits also led to a major breakthrough in financing home geothermal systems. Dan Yates, CEO of Dandelion Energy, explains how the Big, Beautiful Bill introduced changes that, for the first time, allow third-party leasing of residential geothermal systems. He shares why this policy change could help ground-source hea...
The ocean provides half the oxygen we breathe, absorbs 30% of our carbon emissions, and helps control the planet's climate. By 2030, it's expected to support a $3.2 trillion Blue Economy. Yet 70% of proven ocean solutions, such as coastal resilience, coral restoration, and marine pollution cleanup, never move past the pilot stage. These projects often win awar...
For 15 years, the Dallas-based climate conference the EarthX conference has created space where fossil fuel executives and environmental activists, Republican appropriations chairs and Democratic climate hawks, find common ground. The organization targets three core stakeholders: the corporate world, policymakers, and investors seeking startups where environmen...
The raw material for a $2 trillion circular economy is already flowing through recycling facilities. But how do we capture and use it? Rebecca Hu-Thrams, co-founder and CEO of Glacier, is deploying AI-powered robotic sorters at material recovery facilities (MRFs) across the country, processing recycling for one in 10 Americans. Her robots use computer vision tr...
What if the solution to winter's infrastructure corrosion and environmentally benign home sidewalk de-icing was an invasive starfish being thrown back into Korea's coastal waters? Hando Choi, president of Star's Tech, joins the conversation to explain how one region's invasive species problem can become another's environmental breakthrough. The company developed ECO-ST, a de-icing product made from st...
What if the solution to the retail industry's $890 billion returns crisis wasn't better logistics, but better logic? Disney Petit, founder and CEO of Liquidonate, is proving that the most sustainable return skips the trip back to a warehouse and goes directly to a community in need. Americans returned nearly 17% of all retail purchases last year, generating 2.6...
Turn on any faucet in America, and chances are the water meets federal safety standards. Yet Americans buy 50 billion single-use plastic water bottles annually—enough to circle the Earth 200 times if laid end to end. The bottles take 450 years to decompose, and recent research found that a single liter of bottled water can shed up to 240,000 pieces of microplastic ...
For decades, our relationship with waste has been defined by disposability and denial. The disposability of everything from coffee cups and cigarette butts to smartphones, and the denial about where it all goes when we're done with it, means that humans generate over 2 billion tons of waste globally each year, with Americans alone throwing away 290 million tons of ...
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