Declared dead in 1969 and once so polluted it caught fire, Toronto's Don River is roaring back: Atlantic salmon and 20 fish species have returned

More than fifty years after environmentalists organised a mock funeral for Toronto’s Don River, declaring it “dead,” the river has made a remarkable comeback from its previously degraded state. According to the Toronto and Region Conservation Authority (TRCA), a 2025 survey found more than 20 fish species in the restored Don River mouth and nearby wetlands.

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