The Brief

Is it safe to do yard work? Should I test my house for asbestos? How can I know whether schools and parks are safe? These are questions hundreds of Tustin residents still don't have clear answers to more than a month after a fire torched a massive World War II-era hangar.

As the 17-story tall blimp hangar burned, testing by public health officials and asbestos experts showed the fire sent asbestos, lead, and other toxins spewing into the surrounding community. Debris from the fire was reported more than three miles from the site, according to county documents obtained by LAist.

Officials say air quality tests in recent weeks have shown no cause for concern, and specialized remediation crews continue to clean up asbestos-laden debris from the former military base and in the surrounding community.

The status of ash and soot is less certain — private testing inside some residents' homes has found asbestos and lead. Officials have not publicly released any test results from ash or soil since the early days of the fire.

Without access to more data and without a long-term strategy for testing, some residents say they don't feel safe.

"If I could, I would move tomorrow," Sean Storm, a Tustin resident, told LAist in a phone interview. Storm lives in the Columbus Square neighborhood, right across the street from the fire-gutted hangar, with his wife and four young kids.

He said his grandfather died from cardiac arrest after long-term exposure to asbestos. "His lungs were completely deteriorated from it," Storm said. "The doctor told us when he was dying it's like a small razor blade that just cuts you over and over with every breath."

Now Storm fears that asbestos-laden dust and ash from the fire could linger undetected in the grass and mulch that covers nearby parks and common areas in his neighborhood. "You're always going to wonder, am I putting my children at risk of a health factor later down the road?"

LAist interviewed and requested information from local, state and federal officials, and outside experts, about the post-fire recovery efforts and residents' health and safety concerns.

Many questions remain at least partially unanswered, but here's what we found out, including links to key documents and websites.

The historic blimp hangar, at right, seen as it burned on Nov. 7, 2023.

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Jae C. Hong

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Associated Press

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What’s known about potentially toxic building materials in the hangar?

Multiple assessments carried out in recent decades on the now-destroyed hangar and the other, nearly identical, blimp hangar nearby have found that asbestos and lead paint were used extensively throughout their construction.

Asbestos was present in roofing materials, wall panels, pipe insulation and floor tiles, according to a 2019 report. Some of this asbestos was "friable," meaning it breaks or crumbles easily and therefore poses a greater risk of being inhaled, which can cause long-term health consequences.

The wood that makes up the bulk of the construction was treated for fire-resistance with a product called Minalith. Chris Dunne, a Navy spokesperson, told LAist in an email that samples of the treated wood were analyzed in the past and found to contain "detectable concentrations of aluminum, arsenic, boron, barium, calcium, cadmium, cobalt, chromium, copper, iron, potassium, magnesium, manganese, sodium, nickel, phosphorus, lead, silicon, and zinc."

In the days after the fire first broke out on Nov. 7, air quality officials detected lead and arsenic in the smoke plume, but nowhere else, which Orange County Public Health Officer Regina Chinsio-Kwong told LAist was "reassuring."

She said her office also tested for lead at Legacy Magnet Academy and Heritage Elementary on the heaviest days of smoke and did not detect elevated levels. The two schools are located within a mile from the hangar that burned.

Oladele Ogunseitan, a public health professor at UC Irvine, told us the information about chemicals in the wood was "concerning."

"So far, the data which has been shared shows very low levels of these toxicants, but it is hard to tell the amount released into the air during the early hours of the fire igniting," Ogunseitan wrote in an email to LAist. That's because air quality testing for asbestos and other potential toxins didn't take place until the afternoon of Nov. 7 — about 12 hours after the fire began, according to public documents.

Veterans Sports Park, across the street from where the hangar burned, reopened on Dec. 13, more than a month after the fire broke out.

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Jill Replogle

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LAist

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What’s known about air and soil quality in adjacent communities?

Here's what testing in the community has shown:

• The day after the fire broke out, the South Coast Air Quality Management District (AQMD) detected asbestos in debris and ash falling on the surrounding community. Samples of debris collected from around the hangar detected up to 37% asbestos.  
• A mobile air monitoring device deployed by AQMD on the day the fire broke out and for several subsequent days found elevated levels of arsenic and lead inside the area of the smoke plume. However, the majority of results showed no elevated levels of heavy metals, according to public officials and documents. 
• After the first week of the fire, which burned through Dec. 1, air quality testing has not shown elevated levels of asbestos, lead, arsenic or other heavy metals. 

You can see the latest air quality reports and results from early testing on the city's website. Reports of particulate matter, a standard measure of air pollution, are posted daily on the city's website. Currently, air quality is being tested at 30 monitors around the hangar site and throughout the community by the U.S. Environmental Protection Agency.

Officials we spoke with say asbestos has been detected primarily in solid pieces of debris from the fire. They say that’s why the city’s cleanup response has focused on removing that debris from the community.

"Right now, at least, we think that the fallout, the fines [fine particulate matter], the soot from the plume probably was not as big a problem," Ben Castellana, on-scene coordinator for the EPA, told LAist in an interview late last week.

"But certainly the debris, the large pieces of the hanger that landed in the community, those needed to be removed as quickly as possible."

Chinsio-Kwong, the Orange County health officer, told LAist that all of the data collected by public health and environmental officials in recent weeks "has been reassuring."

Many residents have asked health officials to do more testing of soil and dirt in communities adjacent to the fire — or, if testing has already occurred, to share it with the community. (A spokesperson for the state Department of Toxic Substances Control told LAist they had information to share. We will update this story as soon as we learn more.)

Storm, the Tustin resident, noted the extensive measures being taken to secure the soil and ash immediately around the hangar. Tustin hangar fire cleanup crews applied a plastic substance to the soil around the burnt structure early this month to prevent asbestos from getting kicked up.

"If you're saying the dirt on the opposite side of the street is not safe, then how is the dirt on my side of the street safe?" he asked.

The EPA is monitoring air quality around the perimeter of the former military base and in multiple locations in the surrounding community.

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What’s known about air and soil quality in nearby schools?

According to county documents, in the days after the fire broke out, asbestos-laden debris was detected at Tustin schools, including at Hicks Canyon Elementary, which is about three miles from the burn site, and at Tustin High School, which is two miles from the site.

All Tustin Unified schools were closed for several days starting on Nov. 9. Most schools were reopened by Nov. 15 after clearance from the district-contracted asbestos consultant.

Chinsio-Kwong, the public health officer, said air quality authorities read up on toxic materials in the building when the fire broke out and consequently, tested the air for a broad range of heavy metals and volatile organic compounds.

At Heritage Elementary School, which was open during the first two days of the fire, Chinsio-Kwong said certified asbestos consultants took air samples and dust samples using a technique called micro-vacuuming to test for asbestos. Those tests came back negative, she said, adding that she believed they were conducted in heavily trafficked areas of the school.

Parents of students at the school, including Storm, have asked for details about the testing, including how much of the school has been tested and whether outdoor surfaces and playground equipment have been tested.

Storm said he was concerned safety issues may linger if “classroom window seals and door frames and carpet in every single classroom” haven't been tested.

Chinsio-Kwong said she didn't have precise details about the testing. The Tustin Unified School District has not responded to LAist's multiple requests for interviews and/or comment since Dec. 5.

At a community meeting on Dec. 7, Tustin school board trustee Allyson Muñiz Damikolas echoed Chinsio-Kwong, saying that preliminary testing at Heritage and Legacy, which are both still closed, was "encouraging," but she said the district did not yet have final results.

As for when the students at Heritage and Legacy might go back, Chinsio-Kwong said she won't recommend reopening those schools until the work to take down the hangar doors and adjacent structures is complete and the resulting dust and debris is secured, "so that once kids return to school, they can freely run around outside instead of being indoors."

That work is not expected to be completed until later this month. So far, the hangar doors have been lowered. Work to remove the "pillbox" structures that framed the doors started Tuesday, according to the city's latest update.

Work to lower the doors of the hangar finished on Dec. 11. This image was taken Dec. 7, when the work was beginning.

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Did ash and debris contaminate homes?

According to county documents, some 10,000 homes were affected by the hangar fire in the cities of Tustin, Irvine and Santa Ana.

Public agencies have not tested inside of people's homes affected by the fire. But some residents have paid to get their own testing done. Lana Clay-Monaghan, a Tustin resident, has publicly shared an informal survey she spearheaded of residents near the fire.

Of the 19 residents who said they had indoor testing done by a certified asbestos contractor, nine reported results showing the presence of asbestos. Chinsio-Kwong, the public health official, told LAist one resident who took the survey had emailed her the results of her home test. Chinsio-Kwong said was still working with experts to understand exactly what to take away from the results.

Castellana, the EPA coordinator, said a resident had also shared home testing results with him. But Castellana said the results lacked important details. They didn't include the lab report or specify the detection limit used and therefore don’t “really answer a lot of questions."

"If I test for asbestos in my house, for example, you're probably going to find a fiber or two," Castellana said. "It's naturally occurring, it's in a lot of manufactured products, both in our houses and building materials, as well as cars. … So, it's all over in our environment. And that's not to say it also hasn't come from the [hangar] site.”

Castellana said he hoped asbestos consultants hired by residents would give thorough information about their test results, including whether their home is safe.

Asbestos consultants are required to be certified by the state of California. You can check whether a consultant has up-to-date certification on the website of the state Department of Industrial Relations. You can also look up contractors to see whether they're certified to perform asbestos-related work.

Clay-Monaghan said she and her family, including two toddlers, moved out of their home after it tested positive for asbestos and lead.

"We had to make the difficult and expensive decision to remove ourselves from that environment," she said. She told LAist she hopes to move back after her home is fully remediated.

What are the health risks associated with asbestos and lead?

Exposure to asbestos can cause some forms of cancer, according to the National Cancer Institute, and usually emerges decades after the initial exposure. Health risks increase with heavier and/or longer-term exposure.

Smoking severely increases the risk of developing cancer for those exposed to asbestos. "So the major lesson that I would want to impart to all the residents and children of the area is don't smoke," said Richard Castriotta, a pulmonologist at the University of Southern California's Keck School of Medicine.

Exposure to lead is especially dangerous for children under the age of 6. Even small amounts can cause long-term damage to the brain and nervous system, according to the O.C. Health Care Agency. Blood testing is the only way to determine whether a child has lead poisoning.

An empty park in the Columbus Square neighborhood, which was hardest hit by the fire, on Dec. 1, 2023. All city parks were open as of Dec. 13.

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Should I clean my house and/or yard?

Outside

Chinsio-Kwong said that if a resident's yard has been inspected and remediated by a certified asbestos contractor, it should be OK to mow the lawn and do yard work. If you still need help from a certified contractor, contact the city's hotline: 714-426-2444 or report the debris through the city's online portal.

"As long as there's no longer any debris, then technically, if they were given the green light, they should be able to return to landscaping activities and mowing and leaf blowing," she said.

Castriotta, the pulmonologist, said mowing the lawn shouldn't be a problem since most electric lawn mowers collect grass directly into a bag. He said wearing an N95 mask while doing yard work would significantly decrease the risk of exposure.

"They have to live their lives," Castriotta said of residents. "If there's a chance of the ash being around in an inhalational form, then an N95 mask will protect you."

If a resident is still waiting for the city's asbestos contractors to assess their yard and collect fire debris, Chinsio-Kwong said they should wait to do yard work so as not to disturb the debris.

According to the latest update, of the 1,094 debris reports submitted to the city's online portal, some 75% have been remediated and cleared.

But residents have wondered aloud whether this clearance really means their homes are safe since the city's contracted asbestos experts are only picking up large pieces of debris.

At a community meeting last week, Darren Terry told LAist his rain gutters are still full of ash from the fire. He was frustrated homes have been cleared by the city’s asbestos contractors when the roofs, windows, gutters and plants have not been remediated.

Chinsio-Kwong said residents should rinse off or wipe down their window screens and doors if they still contain soot from the fire.

Inside

Chinsio-Kwong recommends that residents whose homes were affected by the Tustin fire use wet wipes to clean surfaces and a vacuum with a HEPA filter on floors.

She told LAist she has been looking for guidance in the residential cleaning studies carried out after the World Trade Center buildings collapsed following the 2001 terrorist attack, spreading toxic dust over streets and into apartments in lower Manhattan.

An EPA study dated November 2008 of different cleaning methods in contaminated homes concluded that wet wiping surfaces and vacuuming the floor — sometimes multiple times, depending on the amount of contamination — "was successful in reducing concentrations to levels below health-based benchmarks."

A separate study found that dusting or sweeping without using water was associated with high numbers of respiratory problems among residents affected by the tower collapses.

Can I run my HVAC system?

Chinsio-Kwong said residents can use their HVAC systems as long as they have a well-maintained filter — the EPA recommends filters rated "MERV 13” or higher to remove fine particulate matter from smoke. Residents may need to replace their HVAC filter or, for help, consult an HVAC technician.

Chinsio-Kwong acknowledged that advice on whether Tustin residents should run their HVAC systems initially wavered in the early days of the fire. She said that's because she was concerned people might not know whether their HVAC system has an updated filter, which is key to safety.

More than 600 disaster remediation workers have been dispatched to clean up fire debris tainted with asbestos on the former military base and in surrounding neighborhoods.

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Is there funding assistance to pay for home testing?

Asbestos

Currently, public agencies are not offering assistance for asbestos testing inside of homes affected by the Tustin hangar fire. At a recent community meeting, Orange County Supervisor Don Wagner said state law prohibited the county from using general taxpayer money to set up a fund for individual homeowners affected by the fire.

"We just don't have a legal right to do that," he said.

Some homeowners told LAist their insurance has paid for testing inside their homes. But, according to Clay-Monaghan's informal survey of residents, nearly three-quarters said they couldn't afford it.

One-quarter of the 1,075 homes in the Columbus Square neighborhood, which was hardest hit by fire debris, are designated for very low- to moderate-income families.

Clay-Monaghan said residents who had paid for testing reported paying around $2,500.

If the state declares the Tustin fire an emergency, it could free up resources for the city and for individuals. Wagner said the state had been "dragging its feet" on a declaration.

Brian Ferguson, spokesperson for the Governor's Office of Emergency Services, told LAist in an email earlier this month that the city and county would first have to demonstrate that "effective response is beyond [their] capabilities" in order for the state to step in with aid.

Ferguson said Wednesday there were no additional updates. He did not respond to our request to clarify the damage assessment process.

Initial damage estimates totaled about $31.7 million as of mid-November, according to the emergency management team that coordinated the initial response to the fire. That includes money spent by the county, Tustin Unified School District and city of Tustin.

The final total is likely to be far higher. Last week, Tustin Mayor Austin Lumbard told LAist that the city had committed $30 million of its own funds to date.

Lead

If you’re worried about potential lead in your home from the Tustin fire and have small children, the O.C. Health Care Agency has a program that provides consultation and assistance for environmental investigations. Call 714-567-6220 for more information.

Chinsio-Kwong, the public health officer, said parents concerned that their children may have been exposed to lead should have them tested by a physician.

Crews working to clean up after the Tustin hangar fire.

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LAist

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What is the status of cleanup on the former military base?

Work finished Monday, Dec. 11, to remove the hangar's 150-ft. tall metal and wooden doors, which were lowered to the ground and will be covered in an adhesive substance designed to keep dust and potentially harmful particulate matter from getting into the surrounding air or soil.

Dunne, the Navy spokesperson, told LAist that the "tackifier" substance, trademarked Gorilla-Snot, is being used to cover debris in the footprint of the destroyed hangar. The Navy does not have plans to spread the tackifier on other parts of the 84-acre former base, he said, but city contractors are cleaning up fire debris on the land.

Asbestos-laden debris collected on the former military base will remain there until the Navy develops a disposal plan.

Some relief for property owners?

The O.C. assessor recently sent a letter to property owners in the vicinity of the fire advising that they could qualify for a temporary value adjustment to their home, meaning lowered property taxes, if they can demonstrate that the fire caused $10,000 or more in damages.

It's unclear how many, if any, homes could meet that threshold. For more information, you can call the county assessor’s office at 714-834-2727.

As water agencies across California grapple with the increasingly extreme effects of climate change, they’re also facing another problem: the incoming “silver tsunami.”

That’s the phrase coined by the industry to illustrate the fact that much of the workforce — largely baby boomers — that keeps our water flowing and safe are getting ready to retire.

Nationwide, about a third of the nation’s water workforce is eligible for retirement within the next decade, “the majority being workers with trade jobs in mission critical positions,” the Environmental Protection Agency wrote in a 2024 report.

Climate resilience needs a workforce

To deal with how pollution in our atmosphere is driving longer, hotter droughts, as well as increasingly intense rain when it does come, water agencies across Southern California are working to boost aging infrastructure and invest in more diverse water supplies, such as recycled water.

The lack of people to staff those changes is a problem for pretty much every water agency, urban and rural.

L.A. is the second-largest city in the nation and is spending billions on water recycling and stormwater capture, for example, but it has been struggling to fill needed positions at its four wastewater treatment plants.

The city of L.A. plans to clean all wastewater that flows to the Hyperion plant.

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Eric Garcetti via Flickr

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The city plans to treat nearly all of the Hyperion wastewater facility’s water to drinkable standards in the coming decades. To support that massive expansion, Hi-Sang Kim, the operations director at Hyperion, told LAist in 2022 the facility will need to boost its workforce by at least 30%.

For less urban water agencies, the challenge is even greater. The Eastern Municipal Water District serves close to 1 million people (and growing), as well as agricultural customers in western Riverside County and northern San Diego County.

They estimate as much as half of their workforce could retire within five years.

“Not only are we investing in new infrastructure, but we have aging infrastructure, so we are in dire need of technical skill sets to operate, maintain everything from treatment plants to pipelines, to pump stations,” said Joe Mouawad, the water district's general manager.

Jobs in the water industry — potable water and wastewater treatment operators, engineers, managers, skilled maintenance, public relations and more — are well paid and secure, Mouawad said, but it’s hard to fill the needed positions.

“We are finding it more challenging to backfill retirees,” he said. “It's not so much a lack of interest — I think it's a lack of awareness.”

Building a pipeline for water jobs

Those job gaps are why Eastern Municipal has become a leader in building the water workforce pipeline. For decades, the water district partnered with local schools to provide education about water conservation and what they do. But over the last decade, as the retirement forecast grew more dire, the agency has shifted to prioritize skills-based programming and partnerships with local high schools.

Local high school students tour Eastern Municipal Water District facilities in Perris.

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Courtesy Eastern Municipal Water District

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In 2013, they launched the Youth Ecology Corps program, for young adults between 18 and 24. Many who went through the program and paid internships are now full-time employees, said Calen Daniels, a spokesperson for the agency, who himself went through the program.

In recent years, the water agency has focused on younger potential future employees through a variety of Career and Technical Education programs at local high schools, including in automotive tech, engineering, agriculture, construction and information systems, said Erin Guerrero, Eastern Municipal’s public affairs manager overseeing its education programs.

“We're starting earlier and getting these kids real world experience,” Guerrero said.

Michelle Serrano teaches a two-year pre-apprenticeship Environmental Water Resources program at West Valley High School in Hemet. Students leave the program equipped to take the state-level certification exam for a job as a water treatment operator or water distribution operator once they turn 18.

Clayton Gordon, GIS mapping administrator at EMWD, talks to West Valley High students in the GIS Engineering certification summer program.

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Courtesy Eastern Municipal Water District

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Already more than 200 students have gone through the program since it launched last year. While local community colleges have similar Career and Technical Education programs, this is the first program of its kind targeting high schoolers in the region. Eastern Municipal hopes to expand to other area schools as well.

“Once the kids get out of the program, they're set if this is the direction they want to go,” Serrano said. “We have these students set for a job or a career for the rest of their life.”

She said the program is a gamechanger for students who don’t see themselves going to college or who are unsure of their future career path.

“We really are pushing hard for college, and that's a good push,” Serrano said. “However, we have kids who don't see themselves going to college.  It's opening up an amazing path for students who otherwise may not see a job direction.”

They’re not only finding a stable career path, she said, but fulfilling roles necessary to our society, Mouawad said.

“It's working for us,” he said, “and we want to see this serve as a model for the rest of the industry.”

It takes an icon to know an icon. If you haven’t seen the new Harry Styles video, check it out and you’ll recognize downtown’s Westin Bonaventure in a starring role. The hotel has been in plenty of movies — including True Lies — and now it’s the stage for Styles’ music video for his new single, “Aperture.” Fiona Ng takes you behind the scenes.

Speaking of cool movie settings, Kristen Stewart bought the abandoned Highland Theatre and plans to restore it to its original grandeur. Good news for film lovers.

On tap in the music space this week, Licorice Pizza recommendations include new wave goddess Dale Bozzio and her Missing Persons at the Whisky, rock goddess Melissa Etheridge at the Canyon Club in Agoura or Roxy Music’s Phil Manzanera in conversation onstage at the Roxy — all on Wednesday. Thursday, experimental hip-hop group Clipping is at the Observatory, Atmosphere is at the Novo, UK singer-songwriter Erin LeCount plays the Roxy and Long Beach Dub All Stars & Bedouin Soundclash hit the stage at the Wayfarer. Plus, Aloe Blacc kicks off the first of four nights at the Blue Note.

Elsewhere on LAist, you can find out about the push to make local beaches into a national park, read up on Sinners producer Sev Ohanian’s rise in Hollywood and find the best spots for a fun Galentine’s Day.

Events

Game Night

Tuesday, February 10, 7:30 p.m.
Cheerio Collective
5917 N. Figueroa Street, Highland Park 
COST: $25; MORE INFO

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Nik

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Channel family game night with new friends over drinks in Highland Park at this classic board game night with Cat Darling Agency and Asian American Collective. Play Connect Four, Jenga and Uno while meeting some folks and enjoying a free drink!

Concert reading of Dogfight

Through Sunday, February 15
The Morgan-Wixson Theatre 
2627 Pico Plvd., Santa Monica 
COST: $23; MORE INFO 

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Joel Castro

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Morgan-Wixson Theatre

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Before there was The Greatest Showman, there was Dogfight. Benji Pasek and Justin Paul’s musical about a group of young Marines in San Francisco on the eve of the war in Vietnam is presented in a concert reading at Santa Monica’s Morgan-Wixson Theatre. Dogfight “explores themes of love, loss, and coming of age.”

OXY LIVE! with Robin Coste Lewis in conversation with Alexandra Grant

Tuesday, February 10, 7 p.m. 
Thorne Hall 
Thorne Road, Occidental College 
COST: FREE; MORE INFO

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Courtesy Oxy Arts

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National Book Award winner and former Poet Laureate of Los Angeles Robin Coste Lewis visits Occidental College for poetry and conversation with Oxy Live's host, celebrated visual artist and cultural collaborator Alexandra Grant (you may recognize her from excellent grantLove series… and her red carpet photos with beau Keanu Reeves). A book signing hosted by beloved Pasadena bookstore Octavia’s Bookshelf will follow, and attendees will have the opportunity to have their books signed by the author.

Dance at the Odyssey

Through Sunday, February 15
2055 S. Sepulveda Blvd., West L.A.
COST: $28; MORE INFO 

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Courtesy of Dance at the Odyssey

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Next weekend is the last weekend of Odyssey Theatre’s six-week-long Dance at the Odyssey festival, which features two world premieres: Silent Fiction from Intrepid Dance Project in Odyssey 2, and One World from choreographer Hannah Millar and her Imprints company in Odyssey 3.

Author Lindsay Jill Roth with Dr. Laura Berman

Thursday, February 12, 6 p.m. 
Zibby’s Bookstore
1113 Montana Ave., Santa Monica 
COST: FREE; MORE INFO

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Courtesy Zibby's

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It’s almost Valentine’s Day, and author Lindsay Jill Roth has the questions that will make your new (or long-term!) relationship last. Her new book, Romances & Practicalities, lays out 250 questions you should ask each other to make your love a time- and challenge-tested success — alongside Roth’s own long-distance love story and interviews with couples of all stripes. She’s in conversation with love, sex and relationship therapist Dr. Laura Berman at Zibby’s in Santa Monica.

An evening in conversation with Silversun Pickups’ Brian Aubert & Producer and Musician Butch Vig

Wednesday, February 11, 7 p.m. 
Sid the Cat 
1022 El Centro Street, South Pasadena
COST: $32.75; MORE INFO

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Sid the Cat

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Dice FM

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Hometown heroes Silversun Pickups are back with a new album and tour — catch them this week for free at Amoeba’s in-store show on Monday. Then dive deep at this conversation at the new Sid the Cat venue between singer Brian Aubert and producer and musician Butch Vg about the making of their new album, Tenterhooks. Plus, Lyndsey Parker of Licorice Pizza (friend of Best Things to Do) will moderate the chat.

Stronger Together: Nurturing Mind, Body, and Spirit

Monday, February 9, 6 p.m. to 8 p.m.
St. Monica Catholic Community Grand Pavilion 
725 California Ave., Santa Monica
COST: FREE; MORE INFO 

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Courtesy St. John's Foundation

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Recovery is an ongoing process, and the medical and spiritual communities of L.A. are reminding you they're here to help. Providence Saint John’s Health Center and St. Monica Catholic Community are marking the anniversary of the Palisades and Eaton fires with an evening of community, commemoration and healing.

The logic behind electric vehicles benefiting public health has long been solid: More EVs means fewer internal combustion engines on the road and a reduction in harmful tailpipe emissions. But now researchers have confirmed, to the greatest extent yet, that this is indeed what’s actually happening on the ground. What’s more, they found that even relatively small upticks in EV adoption can have a measurably positive impact on a community.

Whereas previous work has largely been based on modeling, a study published in January in the journal Lancet Planetary Health used satellites to measure actual emissions. The study, conducted between 2019 and 2023, focused on California, which has among the highest rates of EV use in the country, and nitrogen dioxide, one of the gases released during combustion, including when fossil fuels are burned. Exposure to the pollutant can contribute to heart and lung issues or even premature death. Across nearly 1,700 ZIP codes, the analysis showed that for every increase of 200 electric vehicles, nitrogen dioxide emissions decreased by 1.1%.

“A pretty small addition of cars at the ZIP code level led to a decline in air pollution,” said Sandrah Eckel, a public health professor at USC’s Keck School of Medicine and lead author of the study. “It’s remarkable.”

The group had tried to establish this link using Environmental Protection Agency air monitors before, but because there are only about 100 of them in California, the results weren’t statistically significant. The data also were from 2013 through 2019, when there were fewer electric vehicles on the road. Although the satellite instrument they ultimately used only detected nitrogen dioxide, it did allow researchers to gather data for virtually the entire state, and this time the findings were clear.

“It’s making a real difference in our neighborhoods,” said Eckel, who said a methodology like theirs could be used anywhere in the world. The advent of such powerful satellites allows scientists to look at other sources of emissions, such as factories or homes too. “It’s a revolutionary approach.”

Mary Johnson, who researches environmental health at Harvard University’s T.H. Chan School of Public Health and was not involved in the study, said she’s not aware of a similar study of this size, or one that uses satellite data so extensively. “Their analysis seems sound,” she said, noting that the authors controlled for variables such as the COVID-19 pandemic and shifts toward working from home.

The results, Johnson added, “totally make sense” and align with other research in this area.

When London implemented congestion pricing in 2003, for example, it reduced traffic and emissions and increased life expectancy. That is the direction this latest research could go too.

“They didn’t take the next step and look at health data,” she said, “which I think would be interesting.”

Daniel Horton, who leads Northwestern University’s climate change research group, also sees value in this latest work.

“The results help to confirm the sort of predictions that numerical air quality modelers have been making for the past decade,” he said, adding that it could also lay the foundation for similar research. “This proof of concept paper is a great start and augurs good things to come.”

Eckel hopes that, eventually, advances in satellite technology will allow for more widespread detection of other types of emissions too, such as fine particulate matter. That could even help account for some of the potential downsides of EVs, which are heavier and could therefore kick up more tire or brake dust than their gasoline counterparts. On the whole, though, she believes the picture overwhelmingly illustrates how driving an electric car is better not just for the planet but for people.

Research like this, she says, underscores the importance of continued EV adoption, the sales of which have slumped recently, and the need to do so equitably. Although lower-income neighborhoods have historically borne the brunt of pollution from highways and traffic, they can’t always afford the relatively high cost of EVs. Eckel hopes that research like this can help guide policymakers.

“There are concerns that some of the communities that really stand to benefit the most from reductions in air pollution are also some of the communities that are really at risk of being left behind in the transition,” she said.

Previous research has shown that EVs could alleviate harms such as asthma in children, and detailed data like this latest study can help highlight both where more work needs to be done and what’s working.

“It’s really exciting that we were able to show that there were these measurable improvements in the air that we’re all breathing,” she said.

Another arguably hopeful finding was that the median increase in electric vehicle usage during the study was 272 per ZIP code.

That, Eckel says, means there is plenty of opportunity to make our air even cleaner.

Victor Villa brought his taco cart to Bad Bunny's Super Bowl Halftime performance.

Los Angeles residents likely know the name — Villa's Tacos is an award-winning taco business based in Highland Park. Villa began in his grandmother's front yard and now has brick-and-mortar locations in Highland Park, off Figueroa Avenue, and at Grand Park in downtown Los Angeles.

The restaurant has won L.A. Taco's Taco Madness championship three times (2021, 2022 and 2024) and earned a Michelin Bib Gourmand award for three consecutive years for its signature quesotacos.

A celebration of Latino culture

The entire performance was a celebration of Latin American culture's prominence in the United States, with Bad Bunny taking a moment to recognize Spanish-speaking countries worldwide.

Villa appeared during the opening number, "Tití me preguntó" from Bad Bunny's 2022 album "Un verano sin ti." In the sequence, Bad Bunny visits a piragüero cart — piraguas are iconic Puerto Rican shaved ice treats shaped like pyramids — before the camera pans to Villa and his cart, where Bad Bunny hands him the frozen treat. The moment bridges two beloved Latin American street food traditions: Puerto Rico's piraguas and L.A.'s taco culture.

'An absolute honor'

After the performance aired, Villa took to Instagram to express his thanks and call it a historic moment, He traced his journey from selling his first taco more than eight years ago to the Super Bowl stage.

"I want to give a huge thank you to @badbunnypr for hand selecting me & allowing me to represent my people, my culture, my family & my business," Villa wrote on Instagram.

'A product of immigrants'

As a first-generation Mexican American, he dedicated the moment to the immigrants who made it possible, emphasizing that Villa's Tacos is a product of immigration and that he is honored to represent his culture and all taqueros and Latinos everywhere. The post closed with shoutouts to Puerto Rico, Mexico, and all Latinos.

In August last year, Villa appeared on a Food Friday segment on LAist 89.3's AirTalk, bringing his freshly cooked tacos for host Josie Huang.