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These Trees Survived California’s Drought And That’s Giving Scientists Hope For Climate Change

/in , , /by /KQEDby Lauren Sommer

When California’s historic five-year drought finally relented a few years ago, the tally of dead trees in the Sierra Nevada was higher than almost anyone expected: 129 million. Most are still standing, the dry patches dotting the mountainsides.

But some trees did survive the test of heat and drought. Now, scientists are racing to collect them and other species around the globe in the hope that these “climate survivors” may have a natural advantage, allowing them to cope with a warming world a bit better than others in their species.

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The Next Big Effort In AI: Keeping L.A.’s Water Flowing Post-Earthquake

/in , , /by /USC Newsby Gary Polakovic

Can artificial intelligence save the L.A. water supply from a big earthquake?

USC researchers have embarked on an innovative project to prove that it can. Using federal funds, experts at the USC Center for Artificial Intelligence in Society (CAIS) are working with Los Angeles city officials to find solutions for vulnerable plumbing. The goal is to make surgical improvements to strategic pipelines to keep water flowing after shaking stops.

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Metropolitan Water District To Study Rainfall and Stormwater Runoff

/in , , /by /California Water News Daily

The Metropolitan Water District of Southern California has launched a new pilot program to provide vital data on the most efficient and cost-effective methods to capture and use rainfall and stormwater runoff. The $5 million pilot program will help fund the construction of new direct-use stormwater capture projects and the installation of monitoring equipment on existing projects.

Information on the costs and volume of water produced by different types of projects will be collected over three years and will inform the possible funding of stormwater capture efforts in the future. The goal is to understand the potential water supply benefits of local stormwater capture projects and how to best use that information.

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California’s Power Supply Is Getting Greener. It’s Still Got Far To Go.

/in , , /by /San Francisco Chronicleby Mallory Moench

Over the past decade, California has become a globally acclaimed leader on renewable energy. Fueled by aggressive public policies, plummeting solar prices and evolving technology, the state has cut greenhouse gas emissions from its electric power supply in half since their 2008 peak, according to the California Air Resources Board.

“It’s really astounding how carbon dioxide emissions have been cut,” said Anthony Kovscek, chairman of the energy resources engineering department at Stanford University. “It’s been really remarkable how much renewable and solar we’ve been able to put on the grid and balance it.”

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Sweetwater Authority Eyes Sand Mining, Material Dredging Opportunities

/in , , /by /The San Diego Union-Tribune by David Hernandez

The board of the Sweetwater Authority is interested in sand mining and material dredging opportunities in and around the South Bay water agency’s two reservoirs.

The agency, which serves National City, Bonita and parts of Chula Vista, plans to solicit interest from sand mining companies to explore the concept — specifically, whether there are opportunities to leverage the Sweetwater and Loveland reservoirs by extracting materials to not only create a revenue stream but also increase the capacity of the reservoirs.

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California’s Chronic Water Overuse Leads To Sinking Towns, Arsenic Pollution

/in , , /by /CBC Newsby Kim Brunhuber

When you walk through Jeannie Williams’s sunny orchard, you don’t notice anything wrong. But the problem’s there, underfoot. The land around her — about 250 square kilometres — is sinking.

“It’s frightening,” Williams says. “Is the land going to come back up? I don’t know.”

She points out the well from which she obtains all of the water she needs to grow organic fruits and vegetables. The well is small and shallow; she only has two acres of crops to water. But her neighbours are far more thirsty, and have been for a very long time.

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Water District Approves Rate Increase, Fee Spending Plan

/in , , /by /The San Diego Union-Tribune by Julie Gallant

Ramona Municipal Water District Board of Directors approved an increase to the general untreated water rates, updates to a fire mitigation fee facilities plan, and an agreement to use Mercy Medical for backup ambulance transportation services at their Sept. 10 meeting.

Water rate increases were approved by the RMWD directors on July 9. However, directors revisited the topic to correct a clerical error in the district’s public notice of proposed increases to general untreated water rates.

The original Proposition 218 notice, which informs property owners and customers of proposed water rate increases, incorrectly stated the general untreated water was set to increase from $4.88 to $5.46 per unit beginning Aug. 1. A unit is the equivalent of 748 gallons.

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The ‘Blob’ Is Surging Back In The Pacific, Leading To Fears Of Mass Die-Offs Of Marine Life And Unusual Weather Patterns

/in , , /by /The Washington Post by Andrew Freedman and Lauren Tierney

Across vast stretches of the Pacific Ocean extending from Hawaii north to the shores of Alaska, and southeast to near California, a new marine heat wave is underway. This event is widely referred to as “The Blob Part Two,” or just another “Blob,” after the first event, which took place 2014 through 2016, earned that odd moniker based on its bold red appearance on maps of ocean surface temperatures.

The new incarnation has already caused coral bleaching in the Hawaiian islands, and it may be tied to strandings of marine mammals along the California coast.

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Eyes In The Sky Help Farmers On The Ground

/in , , /by /The New York Timesby Lauren Smiley

The Central Valley of California doesn’t begin so much with a gradual change in the landscape as with an abrupt line. Suddenly, a barren plain that looks like an apt cue for “The Good, the Bad and the Ugly” theme song is interrupted by the first row of leafy, irrigated crops.

Since the 1930s, the region has run on human control of water, carefully distributing the melting mountain snowpack through reservoirs and dams, pumping stations and irrigation pipelines, through drips, sprinklers and intentionally flooded fields.

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Demise Of Key Environment Bill Could Escalate California’s Water Wars

/in , , /by /CALmatters (Sacramento)by Julie Cart

The smoke has (partly) cleared from the legislative battlefield, in the aftermath of a struggle pitting the leader of the California Senate against not only powerful water and agricultural interests but also Gov. Gavin Newsom. And California’s two largest water-delivery systems may soon be operating under rules that differ ever more significantly.

Newsom has said he won’t approve Senate President Pro Tem Toni Atkins’ bid for a legal backstop against environmental rollbacks by the Trump administration. And Washington is poised to reduce protections for endangered fish species in the state’s largest watersheds.

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