From sewage and scum to swimming in ‘blue gold’: how Switzerland transformed its rivers

Dior, Cartier and Rolex are among the high-end shopfronts overlooking the water. René Rottenberg, 75, has just finished his 400m swim through this …



Source link : https://www.theguardian.com/environment/2025/mar/17/from-sewage-and-scum-to-swimming-in-blue-gold-how-switzerland-transformed-its-waterways-aoe

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Publish date : 2025-03-17 11:30:00

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