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The Stream (with Will & Tom)Author: Will Sarni & Tom Freyberg
An unscripted conversation with guests who reject the status quo with a bias for action, in the world of water and beyond. Co-hosted by Will Sarni and Tom Freyberg. Language: en-gb Genres: Nature, Science, Technology Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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The Latin American iceman - Sebastián Goldschmidt on restoring ice reserves and ecosystems
Episode 5
Thursday, 8 January, 2026
In this episode of The Stream, Will Sarni and Tom Freyberg are joined by Sebastián Goldschmidt, founder of Nilus, to explore an unexpected climate solution: rebuilding ice to secure water.Named by Forbes as one of Chile’s Sustainable Minds, Sebastián is working with high-altitude communities across Latin America to develop artificial ice reservoirs, a nature-based, engineered approach inspired by ancestral techniques from the Ladakh region, often known as the Guardians of the Himalayas. The idea is simple but powerful: store water in solid form during winter, then release it gradually during the dry season when it’s needed most.While much of the climate narrative focuses on melting glaciers and disappearing ice, this conversation looks at what it might mean to regrow ice reserves, and why doing so could play a critical role in water security, ecosystem resilience, and climate adaptation.Sebastián also shares what it takes to scale a nature-based solution at thousands of metres above sea level, and how Nilus is partnering with organisations including Orica Impact Fund and Coca-Cola as part of the 100+ Accelerator programme.This is a thoughtful discussion on water, climate, Indigenous knowledge, and innovation, and a reminder that some of the most effective solutions are rooted in both ancient wisdom and modern engineering.🔔 We hope you enjoy the episode and make sure to follow and subscribe to our channels to get alerts on the episodes. We’re delighted you can join us on this voyage of discovery, as we journey down The Stream.Special thanks to this season's sponsor, Raymond James.And our charity partner, Frank Water.And thanks to our knowledge partners: British Water, WWF, Water Alliance, DCU Water Institute, SurplusWater25, Earth and Environmental Science at Berkeley Lab, Water Foundry and Atlantean Media.
