A new report from the National Park Service says sea level rise at 40 coastal national park sites, including eight in California, will cause problems. The 40 park units contain 10,000 assets, including roads, buildings, bridges, water systems, parking lots, tunnels, sea barriers, lighthouses, fortifications and archaeological sites. The report assumes that sea levels would rise 1 meter, or 3.28 feet, in the next 100 to 150 years.
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