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In an online talk scheduled for next Wednesday evening, nationally known defense expert John Arquilla will discuss the rise of pandemics and climate change among issues that now must be considered in a rapidly evolving U.S. national security picture.

Tony Green, a motivational speaker focusing on environmental issues, will discuss Project Drawdown at a meeting of Tri-Valley Citizens’ Climate Education, from 6:30-8:30 p.m., Tuesday, March 24, at the Livermore Public Library, 1188 S. Livermore Ave.

Roger Aines, chief scientist for the Energy Program at Lawrence Livermore National Laboratories, will give a presentation “Pathways to Zero: How California Can Have a Carbon Neutral Economy,” to Tri-Valley Citizens' Climate Education at the Livermore Library on Thursday, Feb. 27.

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Each year, mushrooms come out after the first rains of the season, which began on November 26. Mushrooms are ecologically important and can look beautiful, but some of them contain dangerous toxins. The death cap (Amanita phalloides) and Western destroying angel (Amanita ocreata) are two of …

Climate change is a cultural issue and necessitates changing our values and beliefs. That was the message from Andrew Hoffman, a professor of sustainable enterprise at the University of Michigan. Hoffman spoke via video at the Tri-Valley Citizen’s Climate Lobby during their November meeting.

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For supporters of the Tri-Valley Conservancy, last week’s “Jeans and Jewels” dinner was an opportunity to reflect on the group’s 25 years of success — and a promise to keep pushing to preserve open space and agricultural land.

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The Livermore Amador Valley Garden Club presents featured speaker Dr. Mark Brunell at their meeting on Thursday, Nov. 14, at 7 p.m. Visitors are welcome.

Young Republican voters are as concerned about climate change as their Democratic counterparts. That was the message given by Alexander Posner, founder and president of Students for Carbon Dividends, on the Tri-Valley Citizens Climate Lobby’s October video.

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The Tri-Valley Conservancy’s annual Jeans and Jewels fundraiser this year features a “Rockin’ the Ranch” theme, and will include local wines, cocktails, delicious cuisine, line dancing with lessons, and auctions that include unique experiences and one-of-a-kind items.

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Savannah Skinner, 10, from Jackson Avenue School in Livermore, was the only school striker for the climate at Livermore City Hall on Sept. 27. Skinner's mother, Deborah Fields, asked her daughter a few questions about why she thought it was important to make a stand in front of City Hall. "B…

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Congressman Eric Swalwell shared strategies for confronting climate change with students during the first Youth Environmental Action Summit of the Tri-Valley on Sept. 7 in Pleasanton.

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Zone 7 Water Agency directors have urged CEMEX to provide more transparency for the public. The Mexico-based sand and gravel company is in the process of filing changes to its reclamation plan for its gravel pits next to southwest Livermore.

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Coastal Cleanup Day is on Saturday, Sept. 21, at 9 a.m. All are welcome to be part of the solution and join tens of thousands of fellow volunteers to help remove trash from California beaches and inland waterways.

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The City of Dublin and StopWaste invite residents to a free home energy workshop on Wednesday, Sept. 18, 6 to 7:30 p.m., at the Dublin Library. Attendees will learn about energy efficiency rebate programs and how to zero out their energy bill. Offering information will be East Bay Community …

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Nitrate is a troublesome groundwater contaminant that is mainly caused by fertilizer runoff on farmlands. Many wells in agricultural regions exceed the EPA limit for nitrate in drinking water, and without an economical treatment option, the water is unfit for potable use.

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To the surprise of many observers, the state Assembly Appropriations Committee didn't vote last week on a bill that would allow the sold. Lawmakers left Senate Bill 767 to be considered when the legislature reconvenes in January.

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Youths from Livermore, Pleasanton, and Dublin are invited to meet Rep. Eric Swalwell at the Youth Environmental Action Summit of the Tri-Valley,on September 7, from 4 to 7 p.m. in the Multi-purpose room at Amador Valley High School, 1155 Santa Rita Rd, Pleasanton.

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The Tri-Valley Citizens’ Climate Lobby on Aug. 20 talked about how people can have an impact on national policies and priorities through advocacy.

The U.S. Environmental Protection Agency last week honored Lawrence Livermore National Laboratory and the Drug Enforcement Administration’s Western Laboratory in Pleasanton for cost and energy-saving programs that reduced taxpayer costs and saved energy and resources.

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Alameda County will convene an in-person meeting of the Alameda County Wind Repowering Avian Protection Technical Advisory Committee (WRAP TAC) on Thursday, September 19, at 9:30 a.m. This meeting is intended to receive a presentation, on behalf of sPower (Sustainable Power Resources) on its…

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On August 23, the U.S. Environmental Protection Agency (EPA) recognized federal facilities for conserving resources and saving taxpayers’ money as part of the Federal Green Challenge, a national effort under the EPA’s Sustainable Materials Management Program, which encourages federal agencie…

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SB 767, a measure that would allow the state to sell the Carnegie State Vehicular Recreation Area (SVRA) Alameda-Tesla Expansion Area for conservation purposes, faces its last committee hurdle.

On July 13, members of the Tri-Valley Citizens’ Climate Lobby watched an online video illustrating the abilities of En-ROADS, a powerful climate-simulation tool showing how climate goals can be achieved through changes in energy, land use, consumption, agriculture, and other policies.

On July 16, the East Bay Regional Park District Board of Directors unanimously approved Resolution 2019-07-187, calling for an immediate ban on glyphosate use in picnic areas with full elimination in all developed park areas by the end of 2020. Glyphosate is currently used as part of the Par…

The Go Green Initiative (GGI), a Pleasanton-based nonprofit organization, has partnered with the City of Pleasanton to create new educational materials to inform residents about recent changes in the community’s recycling and composting programs. The GGI has hired Pleasanton high school and …

After more than 20 years of community support and involvement, the East Bay Regional Park District has accepted 2,216 acres of former Concord Naval Weapons Station land from the U.S. Navy for a future regional park. An additional 327 acres are set to transfer to the Park District at a later date.

At the Tri-Valley Citizens Climate Lobby meeting on June 27, Dr. Shi Ling Hsu by video and Evan Branning in person discussed the economic and personal costs of climate change.

With a few strokes of a pen at a media event, Alameda County Supervisor Scott Haggerty signed four contracts that will bring clean wind power from the Altamont and other carbon-free energy from various state locations to supply East Bay Community Energy (EBCE) customers.