In just a few decades, most U.S. coastal regions are likely to experience at least 30 days of nuisance flooding every year. Credit: Flickr

In just a few decades, most U.S. coastal regions are likely to experience at least 30 days of nuisance flooding every year.
Credit: Flickr

In December, residents in Marin, a county in the northern part of the San Francisco Bay Area nestled across from the Golden Gate Bridge, woke up to find that some of their roadways, docks and parking lots were underwater.

Unlike in past years, when the king tides—unusually high tides that occur when the sun and moon are closer to the Earth—were accompanied by stormy weather, residents this year were faced with just some minor flooding.

But more and more, parts of California are seeing an increase in such flooding, said Gary Griggs, director of the Institute of Marine Sciences at the University of California, Santa Cruz.

Griggs is among the scientists who sat on a legislative committee to examine how rising sea levels will affect the California economy. He said in the last four years California has shifted from thinking […]

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