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As Climate Change Worsens, A Cascade Of Tipping Points Looms

/in , , /by /Yale Environment 360by Fred Pearce

Some of the most alarming science surrounding climate change is the discovery that it may not happen incrementally — as a steadily rising line on a graph — but in a series of lurches as various “tipping points” are passed. And now comes a new concern: These tipping points can form a cascade, with each one triggering others, creating an irreversible shift to a hotter world. A new study suggests that changes to ocean circulation could be the driver of such a cascade.

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West Basin Moves Proposed Desal Facility Forward Despite Growing Public Opposition

/in , , /by /Culver City Observer
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New Oxygenation System to Improve Reservoir Water Quality

/in , , /by /Water News Networkby Kristiene Gong Quoted: San Diego County Water Authority

The City of San Diego’s Public Utilities Department last week took a major step toward completing an innovative project to improve water quality in Lake Hodges. A newly installed oxygenation system, designed by city engineers, will introduce highly oxygenated water to the bottom of the reservoir to reduce the accumulation of excess nutrients and harmful algae growth.

The increase of nutrients and algae in the water has been caused by human activities in the watershed upstream of the reservoir, including residential and commercial development, agriculture, and land clearing. Degraded water quality can restrict the ability to move water in and out of the reservoir.

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San Diego, IB Officials Calling for Federal Action on Tijuana River

/in , , /by /KPBS (City News Service)

A group of local officials from around the county introduced a resolution Tuesday calling on the federal government to take action to stop cross-border sewage flows in the Tijuana River Valley.

The group of officials — including San Diego Mayor Kevin Faulconer, Imperial Beach Mayor Serge Dedina, Port of San Diego Commissioner Dan Malcolm and county Supervisor Greg Cox — held a news conference in Imperial Beach to introduce a list of recommended actions, which will be voted on by multiple city councils and boards in the coming weeks.

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Water Industry Takes Major Step Towards Becoming Carbon Zero

/in , , /by /WWT News (UK)by Alec Peachey

Working with two international consultancies, Ricardo and Mott MacDonald, the sector will develop a comprehensive action plan detailing the measures the industry will deploy to achieve zero carbon emissions over the next decade.

The water industry is the first industrial sector in the UK, and one of the first major sectors in the world, to commit to a carbon zero future by 2030. The goal forms part of the industry’s Public Interest Commitment (PIC) released earlier this year with the carbon zero goal one of five stretching social and environmental ambitions.

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Water Restrictions in Poway Likely to Extend Through Friday

/in , , /by /San Diego Union-Tribuneby J. Harry Jones

POWAY —  The boil-water advisory that Poway has been under since the weekend will likely be lifted on Friday, Poway Mayor Steve Vaus said Tuesday night just prior to the start of a City Council meeting.

Vaus said tests continue to show no contamination of the city’s water supply, but state regulators are requiring two more days of testing before giving the all clear.

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Regional Agencies to Vote That Federal Government Must Act on Tijuana River Valley

/in , , /by /San Diego Community News Group

Continuing their push to end a decades-long environmental crisis, San Diego regional leaders announced today that several agencies and local cities will vote to recommend actions for the federal government to take to eliminate transboundary flows in the Tijuana River Valley.

The resolution – to be adopted by several city councils and boards over the next several weeks – solidifies the most urgent needs that regional leaders request from the federal level to address the underlying causes of the sewage, sediment, and trash that have contaminated San Diego land and waterways for decades.

Read more: San Diego Community News Group – Regional agencies to vote that federal government must act on Tijuana River Valley

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Fishing Groups Sue Federal Agencies Over Latest Water Plan For California

/in , , /by /San Francisco Chronicleby Peter Fimrite

The fracas over California’s scarce water supplies will tumble into a San Francisco courtroom after a lawsuit was filed this week claiming the federal government’s plan to loosen previous restrictions on water deliveries to farmers is a blueprint for wiping out fish.

Environmental and fishing groups sued the the National Marine Fisheries Service and U.S. Fish and Wildlife Service Monday for allegedly failing to protect chinook salmon, steelhead trout and delta smelt.

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Two More Rounds of Rain, Mountain Snow Ahead For California Into This Weekend

/in , , /by /The Weather Channel by Jonathan Erdman

California will receive two more rounds of rain and mountain snow through this weekend, continuing a stormy period that kicked off before Thanksgiving.

For now, drier conditions have developed and generally will be in place for most of Tuesday.

A low pressure system brought over 2 inches of rain to parts of the Central Valley north of Fresno. Some foothills and mountain locations below snow level in the Sierra Nevada, Santa Cruz Mountains into Napa and Sonoma counties measured over 4 inches of rain.

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San Diego Got More Rain Than Seattle in November

/in , , /by /FOX 5 San Diegoby Matt Meyer

Normally sunny San Diego got more rain than Seattle last month, a reverse of what residents of both West Coast cities have to come to expect.

The National Weather Service recorded just under 3 inches of rain with their monitoring station at Lindbergh Field this November, making it the wettest November on record for San Diego.

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