Imagine that many downtown buildings in Bolinas are regularly inundated by tides, as are hundreds of homes in low-lying areas of Stinson Beach. Agate and Brighton Beaches have disappeared. Twenty miles of Highway 1 are awash in water. Businesses and homes along the East Shore of Tomales Bay are regularly inundated. Large portions of marshes around the bay are gone, and its beaches are also shrinking.

Climate change could realistically lead to these troubling scenarios…