“When a river is alive, it has a sound”, Angela Ortigara, a senior adviser at WWF Netherlands, told CNN. “You hear it trickling down the rocks. You see vegetation around it. It is this flow of life.” And, said the broadcaster, “across Europe, that sound is now beginning to return.”Environmental coalition group Dam Removal Europe has calculated that a record-breaking 603 dams were removed across the continent last year, as countries embark on a “broader reassessment of how rivers function in an era of climate extremes”.

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