adaptation

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Coastal Erosion in SF Prompts Planning and Debate

City planners are looking at ways to reconfigure the city’s western edge

Sigma./Flickr

One of the challenges for the Ocean Beach Master Plan is how to slow the erosion of Ocean Beach's sandy cliffs.

San Francisco’s Ocean Beach is eroding; that’s not up for debate. But planners are still figuring out the best way to handle the erosion that’s already happening, and how to prepare for sea level rise. And that’s going to take a lot of planning: Ocean Beach itself is part of the Golden Gate National Recreation Area, managed by the National Park Service, but there are also the nearby residential neighborhoods to consider; plus the Great Highway, a wastewater treatment plant, the parking lot at the beach, endangered species, surfers, dog walkers and the occasional hopeful sun bather.

The Ocean Beach Bulletin, a local news site and one of KQED’s News Associates, has been covering the development of the new plan for San Francisco’s coastline, called the Ocean Beach Master Plan, which will attempt to address erosion and rising sea levels, while balancing the myriad social and environmental needs.

Over the weekend, the New York Times weighed in, too:

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Climate Adaptation and Unintended Consequences

Radio documentary explores the social and economic impacts of adapting to climate change

Rising seas will irrevocably change life near the San Francisco Bay. That’s the premise of RISE: Climate Change and Coastal Communities, a three-part documentary by independent producer Claire Schoen. The final part, “Chuey’s Story,” airs this evening at 8 pm on KQED 88.5 FM.

By Claire Schoen

Jan Sturmann

Chuey Cazares works as a fisherman out of the South Bay town of Alviso. Adapting to climate change may save his town, but it's having unintended consequences for his livelihood.

There’s an old adage that goes something like this: “The human capacity to create technology exceeds our capacity to understand its impact.”

Lots of people have referred to this idea, Einstein perhaps most famously when he said, “The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.” Splitting the atom certainly brought us the promise of unlimited energy to run industry and military might to protect the world from Hitler. It also brought us a nuclear North Korea and Fukushima.

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San Francisco Plans for Sea Level Rise

Ocean Beach could be in big trouble without some serious planning

Andrew Whalley

By Jon Brooks

As more warnings go out to coastal communities about rising sea levels, local planners are starting to sharpen their pencils. Hence the Ocean Beach Master Plan. The San Francisco Planning + Urban Research Association (SPUR) is facilitating a coordinated effort among multiple agencies to create a “sustainable long-range plan” for San Francisco’s shoreline. Why do we need a plan? Because erosion of the beach and anticipated rising sea levels may necessitate major changes in the infrastructure that serves the area.

In September, economist Philip King of San Francisco State University unveiled a study aimed at putting estimated price tags on potential economic losses from sea level rise, a study in which San Francisco’s Ocean Beach emerged as a major potential loser. Continue reading

Can a Changing Climate Make You Fat?

PRBO Conservation Science

Anna's Humminbird

Maybe… if you’re a bird.  

You may have heard that climate change is affecting the size of habitats, but did you know that it may also be changing the size of organisms themselves?

A new study finds that songbirds in central California are getting bigger.

The report, published this month in the journal Global Change Biology, looked at the wingspan and weight of thousands of small birds in the region, such as finches, robins, swallows and hummingbirds, and found that over the last 30 years size has increased from .02 percent to .1 percent annually.

Researchers at PRBO Conservation Science looked at data for 73 species, combing 40 years of data from Point Reyes National Seashore and nearly 30 years of data from Milpitas. Continue reading

The Easy Fix That Isn’t

Touted as a simple way to combat climate change, white roofs may actually increase global warming, according to a new Stanford study. 

NNSA/flickr.

Installing white roofs (or painting them white) has been promoted as a way to help slow global warming. New research shows that white roofs may actually add to global warming.

By Alyson Kenward

If you’re interested in staving off climate change without trying too hard, painting your roof white seems like a complete no-brainer. It’s far cheaper than trading in your SUV for a Prius, and it turns the laws of physics to best advantage. Dark roofs absorb sunlight that heats up your house, office tower, or apartment building. That means you’re bound to crank up the energy-intensive air conditioner to keep pace in the summer months — and since electricity in the U.S. comes largely from fossil fuels, the net result is more heat-trapping greenhouse gas emissions, and more global warming.
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California Governor Plans Year-End Climate Conference

Brown administration urges local preparations for climate impacts

Kimberly Ayers

Coastal communities need to ponder the future of homes like these in Redondo Beach.

California Governor Jerry Brown is picking up the climate baton from his predecessor, planning his first climate conference. According to officials, Brown will host  the Governor’s Conference on Confronting Climate Change, currently pegged for December 15th at the California Academy of Sciences in San Francisco.

The conference is still taking shape but recent remarks from the administration seem to imply that the focus will be on planning for climate change impacts. “We have to move from planning to action…and we are behind,” says Julia Levin, Brown’s deputy secretary for climate change and energy at the California Natural Resources Agency. Continue reading

Sea Level Rise Laps at Developers’ Feet

 


Google Maps image of the Bay Area from Cal-Adapt’s online interactive sea level rise tool.

Developers building on the shore of San Francisco Bay will now have to consider climate change in their plans.

Despite a unanimous vote on Thursday by the Bay Conservation and Development Commission (BCDC), it hasn’t been easy planning process for the state agency that regulates development along the San Francisco Bay shoreline. The state agency approved a first-of-its kind policy that makes sea level rise part of regional planning decisions.

“It’s kind of like childbirth,” said Will Travis, the Executive Director of the commission.

“It wasn’t an easy thing to get done,” he said. “Some didn’t even believe that climate change was happening, and some weren’t aware of the great impact that sea level rise will have the Bay Area.” Continue reading

Is Your City Planning Ahead?

Heidi Nutters

Flooding along San Francisco's Embarcadero during an extreme high tide in February, 2011.

With little being done at the national and international level to cut carbon emissions and curb the march of climate change, more and more communities and institutions are seriously considering how they will adapt to the environmental changes that lie ahead. 

Sea levels are rising, and in the Bay Area, planners are expecting an increase of nearly five feet by the end of the century.  According to climate models, temperatures across the state are likely to rise between three and seven degrees Fahrenheit by 2100, leading to increased heat waves and stressing the state’s water supply.

So, are we prepared?  Not really, according to a story today on the public radio program Marketplace.

And yet, as reporter Sarah Gardner explains, there are communities, including some in California, that are taking action now, and investing real money, to protect themselves (and their real estate) from the changes ahead, despite current fiscal challenges.

Climate Study Predicts Deadly Heat for Older Californians

California’s heat waves are going to be getting longer and hotter in the coming decades, according to a new climate modeling study commissioned by the California Air Resources Board (CARB) and the EPA. The authors predict that heat-related deaths among California’s 65-and-over population could spike more than nine-fold by 2090. According to the study, currently more than 500 elderly people die annually from heat-related causes.

Using IPCC climate projections, the study models how climate change will impact California up and down the coast, including coastal cities like San Francisco and inland cities such as Riverside and Fresno.

Lead author Scott Sheridan, a geographer at Kent State University, says that the projected increase in heat-related deaths among those 65 and over are due in part to physiological reasons, but also to growing population size of this age group. By the end of the century, he says, the state’s population of people in this age bracket will increase from 4 million to 15.7 million. Sheridan says California communities that are already used to dealing with hotter temperatures, like the inland city of Fresno, may be better prepared to deal with the heat than relatively cooler coastal cities. Continue reading

Climate Change Offers Up a New Wine List

Climate change could dramatically affect the microclimates that have made California wine country so successful. (Photo: Lauren Sommer)

You’ve probably heard of the wines that made Napa and Sonoma famous, like Cabernet Sauvignon or Chardonnay. But what about Negroamaro or Nero d’Avola?

They’re wine grapes that are well-adapted to hotter climates – the kind of conditions that California may be facing as the climate continues to warm. But for wineries that have staked their reputations on certain wines, adapting to climate change could be a tough sell.

Talk to any wine lover in California and they’ll tell you how lucky they are to live in such rich wine-producing region. Take the recent meeting of the San Francisco Wine Lovers Group at Toast wine bar in Oakland, where the favorites are California Pinot Noir, Russian River Zinfandel, and Napa Cabernet.

In fact, the type of grape – or varietal – is how most of us think about wine. Continue reading