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

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2025-03-17T13:10:09Z

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

Comments URL: https://tildes.net/~enviro/1mpt/from_sewage_and_scum_to_swimming_in_blue_gold_how_switzerland_transformed_its_rivers

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