Enough Mud to Fill 670 Skyscrapers?

How much mud do we need to save Bay Area marshes from rising seas and how will we move it into position? If the future is drier there’s one answer, and if it’s wetter another (see chart), but the ballpark is 477,000,000 cubic yards. That’s the amount of sediment needed to sustain the ring of wetlands now protecting shoreline communities and infrastructure from a rising Bay, according to a new SF Estuary Institute report.

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10 Ways to Field a Flood in Marin City

Ten future reconfigurations of a Marin City lagoon, park and highway site subject to flooding came from UC Berkeley students last fall. The students from Dr. Kristina Hill’s class shared their plans with the community and entered a national competition. “Marin City residents want access to nature for their kids, protection from flooding and safe travel in and out of their community. Communities like Marin City should get resilience investments first, because they’ve been underserved historically,” said Hill.

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Mega Developments Hedge on Sea-Level Rise

On September 3, 2019, Golden State Warriors CEO Rick Welts stood proudly in front of the newly inaugurated $1.4 billion Chase Center basketball arena. “A brand new journey starts today,” he promised the assembled luminaries and fans. Having built on Mission Bay’s watery footprint, the Warriors defended their new arena against sea-level rise, saying in an official statement it will stay dry in 2100 “even with the anticipated 36 inches of sea-level rise.”

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Resisting Retreat for Coastal Communities?

In the coastal getaway town of Stinson Beach, king tides and storm surges regularly put roads and parking lots underwater: wintertime events that give locals an unnerving idea of what rising sea level will look like for the small community. “We know sea-level rise is coming, but here, we say we’ve already got it,” says Stinson Beach homeowner Jeff Loomans, also the president of the Greater Farallones Association, which has been active in sea-level rise planning.

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