Tangentially Speaking with Christopher Ryan

Josh Spodek

October 19, 2026·1h 19m
Episode Description from the Publisher

Joshua Spodek PhD MBA is the premier voice in sustainability leadership. He hosts the award-winning This Sustainable Life podcast, bestselling author of Sustainability Simplified, Initiative, and Leadership Step by Step, professor at NYU, and leadership coach.He holds a PhD in astrophysics and an MBA from Columbia, where he studied under a Nobel Laureate and helped launch a satellite.He visited North Korea twice, swam across the Hudson River twice, has done burpees daily since 2011 (250,000 and counting), hasn’t filled a load of garbage since 2019, hasn’t flown (by choice) since March 2016, unplugged his refrigerator since September 2021, disconnected his apartment from the electric grid in May 2022, and his carbon footprint is about 1 ton per year. He blogs at joshuaspodek.com. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit chrisryan.substack.com/subscribe

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