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flag American cities revitalize urban rivers for recreation and quality of life improvement.

flag American cities like Portland and Chicago are revitalizing their urban rivers to enhance recreational opportunities and improve quality of life. flag Portland's Willamette River has become swimmable since 2012, while Chicago aims for similar progress in the next decade. flag Despite the 1972 Clean Water Act, many rivers remain too polluted for activities. flag To succeed, advocates stress the need for a cultural shift in public perception regarding urban waterways.

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