| http://www.w3.org/ns/prov#value | - The result will be impacts to the nation???s largest ocean-based economy, which is estimated at $46 billion annually.121,122 If adaptive action is not taken, coastal highways, bridges, and other transportation infrastructure (such as the San Francisco and Oakland airports) are at increased risk of flooding with a 16-inch rise in sea level in the next 50 years,123 an amount consistent with the 1 to
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