Dick Spotswood: Flood mitigation solutions will be gigantic public projects

Marin just simultaneously experienced two natural phenomena: extreme king tides accompanied by wet storms. Unless wildly expensive mitigation measures are promptly pursued, the flooding we’ve experienced will gradually increase until we reach the time when it will be the new normal.

California’s Coastal Commission explains, “King tides themselves are not related to climate change, but they allow us to experience what higher sea level will be like. King tides are the highest high tides of the year...