NTSB investigation: pipeline that exploded near Hayward installed in 1940s trib.al/EBcVZNh

New Weather West post: As warm atmospheric rivers slide gradually southward along Pacific Coast, a return to rain and end to tule fog in NorCal later this week–but don’t expect much mountain snow (at least initially).

New @reclaimfinance.org report endorsed by @sierraclub.org reveals pension funds and other asset owners are failing to stop asset managers like BlackRock from supporting fossil fuel expansion.

Important reminder with climate-fueled floods ravaging the Northwest: only 4% of homeowners have flood insurance leaving most people struggling to cover the costs themselves. www.npr.org/2025/07/14/n...

UCLA researchers say the federal government should start charging California farmers a lot more for water, to help stave off disaster on the Colorado River: www.latimes.com/environment/... via @ianjames.bsky.social

The federal government provides water to some large agricultural districts at little or no charge. In a new study, researchers argue the government should end this “free or nearly free water.” www.latimes.com/environment/...

The Bay Bridge is set to undergo a major transformation — and it could improve your commute—It wasn’t until the pandemic hit that state and regional officials removed… www.sfchronicle.com/bayarea/arti... @rswansf.bsky.social @sfchronicle.com

The Bay Area neighborhood most vulnerable to sea level rise is also sinking: ‘A right now problem’—The area of San Rafael, called the Canal District, is the Bay Area’s densest neighborhood after Chinatown. It is also the… www.sfchronicle.com/climate/arti... @taraduggan.bsky.social @sfchronicle.com

Living with Fast Fires through Wildfire Gardening & Ignition Resistant Homes 12/15, 4pm 🌲🌳 Understand dominant factors in community loss, properly define the problem, & the solutions will follow. Misapprehend the problem, pursue legacy solutions & continue to lose communities. 💖 tinyurl.com/5n8f6jjw

Fannie Mae confirmed that it is relocating its San Francisco office to Birmingham in 2026, one day after Alabama Sen. Tommy Tuberville disclosed the mortgage-finance company’s plan publicly.

Support Your Local Volunteer Conservation Leaders. Your chapter Executive Committee makes many important decisions. Watch this video to understand more!

Redwood Shores: There's No Place Like Home 🐦 ☀️ "As the holidays grace our homes and we share feasts, gifts, and visits with friends and family, we also share our knowledge that Redwood Shores is more than a neighborhood — it’s a living, breathing symphony of nature." 🏡 tinyurl.com/4d53pp7m

Gov. Gavin Newsom has dispatched more than 100 California first responders to Washington state, where surging floodwaters have forced tens of thousands of residents to evacuate.

"One of the West’s most valuable resources has no consistent valuation – and sometimes costs nothing at all." | California cities pay a lot for water; some agricultural districts get it for free calmatters.org/environment/...

Los Angeles County is suing for oil companies for allegedly failing to properly clean up hundreds of wells in the Inglewood Oil Field: laist.com/news/climate... via @erstone7.bsky.social

State Supreme Court rejects California city’s long fight to avoid building housing—On Wednesday, the state Supreme Court upheld a lower-court order requiring Huntington Beach to follow California laws… www.sfchronicle.com/politics/art... Bob Egelko @sfchronicle.com

California delays wildfire rules that would force homeowners to clear vegetation—California officials are again delaying the finalization of rules that could require nearly 2 million homeowners… www.sfchronicle.com/california-w... Brooke Park @sfchronicle.com

In 2025, much of the financial sector backtracked on climate action — but one major pillar stepped up: public pensions that manage trillions in workers’ savings. 🫰 Here’s our @sierraclub.org campaign year-end review of key developments & what’s next 👇 www.sierraclub.org/articles/202...

Here are the wealthy donors behind downtown S.F.’s revitalization fund—The Downtown Development Corp. is led by CEO Shola Olatoye, the former head of New York City’s Housing Authority. The organization has promised to… www.sfchronicle.com/sf/article/d... @laura-waxmann.bsky.social @sfchronicle.com

S.F. housing nonprofit fund hits $100 million, promising faster and cheaper affordable homes—The fund, created to provide fast, flexible and low-cost financing that removes… www.sfchronicle.com/sf/article/h... @jkdineen.bsky.social @sfchronicle.com

The Bay Area weather pattern is finally shifting — but don’t believe the app forecasts just yet—While I have more confidence in rain falling at some point on Tuesday than Monday, it’s unlikely to be more than… www.sfchronicle.com/weather-fore... @gporterwx.bsky.social @sfchronicle.com

A fog-chilled air mass kept San Francisco in the 50s while temperatures hit 70 degrees less than a 30-minute drive from the city.

California law turned a four-story site into a 25-story tower. S.F. is scrambling to catch up—That’s the underlying reason developer Align Real Estate can propose a 25-story, 790-unit housing complex in place of… www.sfchronicle.com/realestate/a... @laura-waxmann.bsky.social @sfchronicle.com

Caltrain Named America’s Fastest-Growing Transit Agency in APTA’s 2025 Transit Wrapped, read more: https://www.caltrain.com/news/caltrain-named-americas-fastest-growing-transit-agency-aptas-2025-transit-wrapped .

Trump administration adds militarized zone in California along southern US border trib.al/SyGr6dS

A federal judge ordered the Trump administration on Wednesday to end its deployment of National Guard troops in Los Angeles, and to return control of the troops to Gov. Gavin Newsom.

Muni tax: Some Boomer homeowners get exemptions. But what about Gen Z renters?—More contentious, still, is the question of whether landlords will have the ability… www.sfchronicle.com/sf/article/s... @rswansf.bsky.social @sfchronicle.com

Why it’s been so cold in the S.F. Bay Area — and how long it will last—Swallowed by a chilly layer of fog, many California cities are experiencing their coldest start to December in decades. www.sfchronicle.com/weather/arti... @edwardsanthonyb.bsky.social @sfchronicle.com

The Trump EPA is pushing a Polluted Water Rule that would strip Clean Water Act protections from streams & wetlands that feed our rivers and drinking water. This gives polluters a free pass. Tell the EPA to protect clean water: act.sierraclub.org/actions/Nati...

Join our San Mateo hiking section on the 17th for this 7.3 mile hike, with 1,000' elevation gain! 🥾 Learn more at tinyurl.com/yfh5ccsy . . . #sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #coyotelakeharveybearranchcountypark

Transit agencies across Bay Area to begin accepting credit, debit cards—Riders must continue to use Clipper cards for certain discounts offered to seniors, youth and… www.mercurynews.com/2025/12/10/t... Jakob Rodgers @mercurynews.com

$285M for roads, parks, and housing finally a go in Oakland—According to the disclosure document, the bond sale will raise about $181 million for housing and $104 million for non-housing infrastructure. Projects that… oaklandside.org/2025/12/09/o... @fermoso.bsky.social @oaklandside.org

Home insurance costs are up 150% in one part of California. Climate change is making insuring homes more risky— and more expensive. And in neighborhoods… www.sfchronicle.com/realestate/a... @xianleonard.bsky.social @sfchronicle.com

Oakland to pave roads with lucrative bond sale, despite city’s credit rating decline—The funding made available by the new bond revenue includes $50 million for citywide street repaving, $33 million for… www.eastbaytimes.com/2025/12/09/o... @shomik.bsky.social @eastbaytimes.com

In collaboration: @sfbaysierraclub.bsky.social & @sierraclubredwood.bsky.social Socially & economically vulnerable neighborhoods, often burdened by contaminated sites, aging infrastructure, & limited resources, face disproportionate harm as waters rise. 🌊 ⚖️ Full article tinyurl.com/3r37ydae

Our next Board of Directors meeting is 12/10 at 5 PM. The meeting will honor our 65th anniversary, consider approving amendments to several board policies, provide a report on the January Service Change, and more. View the agenda and learn how to participate: https://actransit.us/3KKWcmC

In New York City, congestion pricing has led to a measurable drop in traffic, and with it, a 22 percent decline in particulate pollution, a study finds.

Bay Area weather: No rain is forecast through Christmas. Is it time to worry about drought?—Through Monday, the Bay Area has received no rain for 18 days in a row since a quarter-inch fell on Nov. 20. And the… www.mercurynews.com/2025/12/08/b... @paulrogerssjm.bsky.social @financialtimes.com

“Climate change has always been a battle on two fronts: physical and informational,” John Marshall writes. “Now the ‘information war’ has come to real estate, where the consequences of unknown risk can be particularly severe.”

VTA hopes to fight downtown San Jose blight by bulldozing building—The Santa Clara Valley Transportation Authority has begun the demolition of a building on North First Street between West Santa Clara Street and West St. John Street… www.mercurynews.com/2025/12/08/s... George Avalos @mercurynews.com

Join our Black Mountain hiking section on 12/13 for this morning walk/hike to enjoy the Palo Alto Baylands area before returning for the holiday lunch potluck. Please sign up for the hike & lunch separately. 🥾 More & RSVP for hike tinyurl.com/3n5a48k3 🥖 More & RSVP for lunch tinyurl.com/bdzmuj3a

This event is open to Veterans, their families, & any other members of the public who wish to attend. 🇺🇸 Lisa Barboza will be conducting a birdwatching, botany observation & fun 4 mile hike, with 200' elevation gain, in the wonderful Coyote Hills Park. 🐦🌱 Learn more and RSVP at tinyurl.com/yjjm9u6d

East Bay earthquakes: What science says about the cluster and the fault that's the cause—The fault is able to produce quakes as large as 6.7 magnitude, scientists say. It caused… www.sfchronicle.com/california/a... @kurtisalexander.bsky.social @sfchronicle.com

Thank you, ‪@hickenlooper.senate.gov for being the first Senator to publicly oppose the nomination of Sell-off Steve Pearce to be Director of the Bureau of Land Management! Our public lands are not for sale.  📢 Call your Senators to urge them to vote NO on "Sell Off Steve" Pearce: 1-855-980-5638

Developer to San Rafael: Quit stalling on high-rise approval—The developer has proposed a 17-story, 180-foot-tall building with 200 apartments at 700 Irwin St… www.marinij.com/2025/12/07/d... Richard Halstead MarinIJ

Exclusive: Here’s what the Muni parcel tax would cost S.F.’s homeowners—The philosophy, at heart, is to spare middle-class households and small businesses, while asking more… www.sfchronicle.com/sf/article/h... @rswansf.bsky.social @sfchronicle.com

California’s cold, gloomy weather masks a developing problem: Almost no rain in 3 weeks—This is the week where the dry streak numbers get interesting. It won’t rain in the Bay Area before, at the earliest, Dec. 15… www.sfchronicle.com/weather-fore... @gporterwx.bsky.social @sfchronicle.com

🚨 Monday ice update - #Arctic sea ice extent is currently the lowest on record (JAXA data) • about 840,000 km² below the 2010s mean • about 1,390,000 km² below the 2000s mean • about 2,050,000 km² below the 1990s mean • about 2,510,000 km² below the 1980s mean Graphics zacklabe.com/arctic-sea-i...

New post: Under resilient ridge, prolonged tule fog episode brings cold & damp weather to Central Valley but anomalously warm/dry weather elsewhere. Plus, update on what turned out to be record-wet autumn in some spots & PacNW flood risk this wk. elsewhere.

Waymo to recall robotaxi software after school bus incidents spark scrutiny from feds—The San Francisco company, owned by Google parent Alphabet, said it will file the voluntary recall early next week… www.sfchronicle.com/tech/article... @aidinvaziri.bsky.social @sfchronicle.com