Seattle's new seawall is also its biggest science experiment

For 80 years, the Alaskan Way seawall was like most: a smooth, vertical slab of concrete that held back the sea for the city’s bustling waterfront. It helped cement Seattle’s status as a commercial hub and deepwater port, but also sealed the fate of salmon habitat, locking away miles of gradually sloping beaches.

This story, including a written report with additional reporting, was distributed locally via EarthFix and was aired on PBS NewsHour Shares.

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