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Scientists investigate as whale deaths surge in San Francisco Bay

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Scientists investigate as whale deaths surge in San Francisco Bay


A total of 15 whales, including 14 gray whales and one minke whale, have died so far in 2025, according to a joint press release from California Academy of Sciences and the Marine Mammal Center.

“The reason or potential reasons behind the massive spike in sightings this year are still being investigated by researchers,” the release said.

The latest death, a gray whale found in the San Francisco Bay Area on Wednesday, marked the sixth whale death in as many days.

Newsweek reached out via email to the California Academy of Sciences and the Marine Mammal Center on Saturday during non-working hours for more information.

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Why It Matters

There has been “unusually high number of sightings” of whales in the region this year but there has also been an increase in deaths. The whale population has seen a 45 percent decrease since the 2019- 2023 Unusual Mortality Event (UME), according to the release.

A record-low number of newborn whales was also seen this year, causing concern among researchers for the long-term outlook for the North Pacific gray whales, following the second UME in a 20-year period.

“These whales basically left the Arctic with a half tank,” Giancarlo Rulli, a spokesperson for the Marine Mammal Center in Sausalito, recently told Phys.org about the other deceased whales discovered in the region.

“The food sources that they were normally accustomed to eating that were highly nutritious for this massive, 10,000–12,000-mile journey, had moved farther away due to climate change, and as a result, these whales were left to forage on food matter that was much less nutritious.”

What To Know

The whale on Wednesday was found near the Alamere Falls in Point Reyes National Seashore, the joint release said, which is about 30 miles northwest of San Francisco.

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While some of the deceased mammals have been necropsied, others have either been too far decomposed or stranded in areas that are inaccessible, making it difficult to pin these deaths on one similar cause.

While it is not unusual to see whales in the region as they migrate, the number of deaths is the highest it has been, including in 2019 when 14 whales were found deceased in the UME, according to the release.

The number of deaths currently matches the record of 15 for all of 2021, the release said. At least three of these deaths have been attributed to suspected vessel strikes, but others remain undetermined.

The whales that have been spotted alive have been observed to be either regular size or emaciated.

There are a total of 33 confirmed gray whale sightings in the San Francisco Bay this year, compared to only six seen last year, with about a third of those whales remaining in the bay for about 20 days.

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Whale carcasses have been found as far north as Alamere Falls, as far west as Farallon Islands and as inland as Berkeley.

Beachgoers look at a dead juvenile Humpback Whale that washed up on Baker Beach on April 21, 2020, in San Francisco.

Photo by Justin Sullivan/Getty Images

What People Are Saying

The California Academy of Sciences and partners at The Marine Mammal Center said in the press release: “With San Francisco Bay serving as a shared space for commerce and increased gray whale activity, experts at the Academy and the Center note it’s vital that all boaters—from large commercial vessels to sailboats—be ‘whale aware’ and continue to slow down. Gray whales often have a very low profile in the water that can make them difficult to sight, unlike other coastal whales like humpback whales.”

What Happens Next

The results of the necropsy on the whale found on Wednesday are still pending, complicated by a number of factors due to “inaccessible locations that hinder full post-mortem investigations, as well as poor tissue quality from advanced decomposition, and the lack of available locations to tow for further investigation.”

Meanwhile, the whales that are alive are expected to be in “the bay for another one to two weeks before continuing their annual northern migration to arctic feeding grounds,” according to the release.

If people do see whales, they can report them through an app called Whale Alert or the Marine Mammal Center website. Sightings of dead whales should be reported to the Academy’s department of Ornithology and Mammalogy.

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San Francisco firefighters to retire uniforms linked to cancer

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San Francisco firefighters to retire uniforms linked to cancer


San Francisco firefighters are finally getting the protective gear they were promised after years’ long research revealed certain chemicals used in traditional firefighter uniforms can cause cancer.

“What none of us could have known is that some of the very gear designed to protect us was quietly harming us,” said San Francisco Fire Chief Dean Crispen, who spoke alongside dozens of first responders on Thursday as he announced the city’s $3.6 million plan to provide protective equipment to all frontline firefighters by the end of the year.  “This is a joyous occasion for our city.”

San Francisco Fire Chief Dean Crispen was flanked by the mayor, state and local lawmakers, and dozens of first responders on Thursday when detailing the city’s plans to provide new, non-PFAS uniforms to frontline firefighters across San Francisco.

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The San Francisco fire department, the tenth largest in the nation, has already distributed the redesigned gear to about 80 of its firefighters and hopes to have all 1,100 of its new uniforms in use within the next three weeks – that’s enough protective equipment to provide one uniform to each of the city’s frontline firefighters.  While city leaders hope to eventually purchase a second set of gear, San Francisco firefighters will, for now, need to wash their new gear before returning to work or continue to rely on their old uniform as a backup.

“Public safety relies on the people who stand between danger and our residents,” Mayor Lurie told the crowd during Thursday’s announcement.  “Firefighter health must always be at the center of our decisions.”

San Francisco’s efforts stem from a first-in-the-nation ban that local lawmakers passed last year, which requires the city to outfit firefighters with new uniforms by July 2026. Over the years, studies have shown the jackets and pants firefighters across America have long relied on to keep safe during emergencies are made with materials proven to cause cancer. 

These so-called “PFAS” materials, often referred to as ‘forever chemicals’ because of their reluctance to breakdown, have long been used to bolster the reliability of firefighter clothing by helping to repel flammable liquids and reduce temperatures, even in extreme heat.  Researchers, however, have found the compounds to be harmful when absorbed through skin. While the precise level of PFAS exposure for firefighters and the associated health risks are still being studied, the compounds have been linked to cancer and other negative health effects impacting cholesterol levels and the immune system, according to the Centers for Disease Control and Prevention (CDC).

PFAS aside, the inherit health risks of firefighting, including prolonged exposure to smoke and ash, led the World Health Organization to deem the occupation a “carcinogen.”  Yet, some fear the very safety uniforms firefighters have come to rely on for protection could also be making them sick. 

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Female firefighters in San Francisco are six times more likely to develop cancer compared to the national average, according to the San Francisco Firefighters Cancer Prevention Foundation.

Female firefighters in San Francisco are six times more likely to develop cancer compared to the national average, according to the San Francisco Firefighters Cancer Prevention Foundation.

In San Francisco, female firefighters have a six times higher rate of breast cancer than the national average, according to the San Francisco Firefighters Cancer Prevention Foundation. More than 400 firefighters in San Francisco have been lost to cancer over the past 20 years, according to the city’s fire department.

“The cost of inaction is measured in funerals,” said Stephen Gilman, who represents the local chapter of the International Association of Fire Fighters (IAFF). “The reward of action is measured in lives saved.”


The cost of inaction is measured in funerals.

Stephen Gilman, International Assoc. of Fire Fighters (IAFF)


While materials laced with PFAS have been shown to pose safety risks, so has fire gear that has been manufactured without it.  Last year, the NBC Bay Area Investigative Unit reported on research from North Carolina State University that found non-PFAS fire equipment to be less breathable and more flammable than traditional uniforms made with PFAS.

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“We don’t want to just trade one hazard for another,” Dr. Bryan Ormand told the Investigative Unit back in May 2024.  “We’re introducing a potential hazard for flammability on the fire scene where firefighters didn’t have that before.”

The San Francisco Board of Supervisors is scheduled to vote Tuesday on a city-wide ban of what are known as ‘PFAS’ or ‘forever chemicals,’ but replacement options still aren’t widely available and those that are seem be raising new safety concerns. Senior Investigator Bigad Shaban reports.

Milliken & Company, the textile firm that made the material for San Francisco’s latest uniforms, said the new type of gear “meets or exceeds” all industry standards for “breathability and thermal protection.” 

“We refused to trade one hazard for another,” Marcio Manique, senior vice president and managing director of Milliken’s apparel business, noted in a written statement.

“It meets the strictest performance standards without adding weight or compromising breathability – giving firefighters exactly what they asked for.”

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We refused to trade one hazard for another

Marcio Manique, senior vice president and managing director of Milliken’s apparel business


In San Francisco, the new gear underwent a 90-day test trial with 50 of the city’s own firefighters.

“What we did was we actually went through a really comprehensive testing process,” Chief Crispen told the Investigative Unit.  “It went to the lab and received testing and everything came back great, so we feel strongly about this product.”


Contact The Investigative Unit

submit tips | 1-888-996-TIPS | e-mail Bigad

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Gas explosion in San Francisco Bay Area damages homes, sends heavy smoke into air

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Gas explosion in San Francisco Bay Area damages homes, sends heavy smoke into air


SAN FRANCISCO — A gas explosion started a major fire in a San Francisco Bay Area neighborhood on Thursday, damaging several homes and sending heavy smoke into the air.

Local outlets said there are possible injuries from the Hayward explosion.

A spokesperson with Pacific Gas & Electric Co. said a construction crew damaged an underground gas line around 7:35 a.m. The company said it was not their workers.

Utility workers isolated the damaged line and stopped the flow of gas at 9:25 a.m., PG&E said. The explosion occurred shortly afterward.

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San Francisco restaurant removes tip from check, adds stability for workers

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San Francisco restaurant removes tip from check, adds stability for workers


It’s another packed night at La Cigale in San Francisco, where chef Joseph Magidow works the hearth like a conductor, each dish part of a high-end Southern French feast for the fifteen diners lucky enough to score a front-row seat. 

It feels like the beginning of any great night out, until you realize this restaurant has quietly removed the part of dining that usually causes the most indigestion.

“You get to the end and all of a sudden you have this check and it’s like a Spirit Airlines bill where it’s like plus this plus plus that,” Magidow said.

So La Cigale made a rare move: they “86ed” the surprise charges, restaurant-speak for taking something off the menu. Dinner here is all-inclusive at $140 per person, but with no tax, no tip, no service fees. Just the price on the menu and that’s the price you pay.

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“There’s no tip line on the check. When you sign the bill, that’s the end of the transaction,” Magidow said. 

Though still rare, across the country, more restaurants are test-driving tip-free dining, a pushback against what many now call “tip-flation.” A recent survey found 41% of Americans think tipping has gotten out of control.

La Cigale customer, Jenny Bennett, said that while she believes in tipping, she liked the idea of waiters being paid a fair wage. 

“Everywhere you go, even for the smallest little item, they’re flipping around the little iPad,” she said. 

At La Cigale, servers make about $40 an hour whether the night is slow or slammed. The upside is stability. The downside? No big-tip windfalls. 

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But for server and sommelier Claire Bivins, it was a trade she was happy to take.

“It creates a little bit of a sense of security for everyone and definitely takes a degree of pressure off from each night,” she said. 

The stability doesn’t end there. La Cigale offers paid vacation, a perk most restaurant workers only dream of.

For Magidow, ditching tips also means leaving behind a system rooted in America’s painful past.

“It was a model that was created to take former enslaved people, who many of them went into the hospitality industry, after slavery and put them in a position where they are still being controlled by the guest.”

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And as for the bottom line? It hasn’t taken a hit. 

“It seems like everyone is leaving happy,” Magidow said. “That’s really all we can hope for.”



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