Pop quiz: what is the most critical—yet criminally overlooked—frontier in our battle against climate change? If you said "cities", you get the gold star! Drawing from decades of global experience transforming urban landscapes, Gil Penalosa, today's guest and founder of 8 80 Cities, argues that how we design our cities in the next 40 years will fundamentally determine human sustainability for centuries to come. While most climate conversations obsess over energy, Penalosa, who came in second place in 2022's Toronto mayoral race, passionately demonstrates that urban planning is the secret weapon we've been missing—a holistic approach that combines health, equity, environmental sustainability, and human joy. His message is both urgent and optimistic: by reimagining cities as interconnected, walkable, green spaces that prioritize people over cars, we can create solutions that are not sacrifices, but pathways to a more vibrant, connected, and livable world. With infectious enthusiasm and razor-sharp insights, Gil challenges listeners to see urban design not as a technical challenge, but as a profound opportunity to reshape how humans live, move, and thrive together.
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From Colombian Broadcaster to Global Cities Visionary
Gil Penalosa, founder, 8 80 Cities
Apr 30, 2025
Notes and resources

Climate Swings
Want to work in climate but don’t know where to start? Climate Swings takes you inside the minds of people who’ve made the leap. From reformed bankers to academics, corporate sustainability gurus to climate-tech founders, host Michael Ethan Gold explores how professionals from all walks of life blazed a trail to meaningful climate work. Each episode unpacks a unique climate career journey, revealing the pivotal moments, unexpected detours, and lessons learned along the way. Whether you’re a climate-curious professional eyeing a career shift or already working in the space, you’ll discover actionable insights to help navigate your own climate path. Join us as we swing from vine to vine across the expanding climate career jungle. New episodes drop every other Wednesday, wherever you get your podcasts, on Substack at climateswings.substack.com, and on YouTube @ClimateSwingsPod.
Want to work in climate but don’t know where to start? Climate Swings takes you inside the minds of people who’ve made the leap. From reformed bankers to academics, corporate sustainability gurus to climate-tech founders, host Michael Ethan Gold explores how professionals from all walks of life blazed a trail to meaningful climate work. Each episode unpacks a unique climate career journey, revealing the pivotal moments, unexpected detours, and lessons learned along the way. Whether you’re a climate-curious professional eyeing a career shift or already working in the space, you’ll discover actionable insights to help navigate your own climate path. Join us as we swing from vine to vine across the expanding climate career jungle. New episodes drop every other Wednesday, wherever you get your podcasts, on Substack at climateswings.substack.com, and on YouTube @ClimateSwingsPod.Listen on
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