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Can you survive a wildfire sheltering at home? For one community, L.A. County Fire says it may be the only option

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Can you survive a wildfire sheltering at home? For one community, L.A. County Fire says it may be the only option

Dozens of Topanga residents gathered in the town’s Community House to hear Assistant Fire Chief Drew Smith discuss how the Los Angeles County Fire Department plans to keep Topangans alive in a fierce firestorm.

In the red-brick atrium, adorned with exposed wood and a gothic chandelier, Smith explained that if a fire explodes next to the town and flames will reach homes within minutes, orchestrating a multi-hour evacuation through winding mountain roads for Topanga’s more than 8,000 residents will just not be a viable option. In such cases, Smith told attendees at the town’s Oct. 4 ReadyFest wildfire preparedness event, the department now plans to order residents to shelter in their homes.

“Your structure may catch on fire,” Smith said. “You’re going to have religious moments, I guarantee it. But that’s your safest option.”

Wildfire emergency response leaders and experts have described such an approach as concerning and point to Australia as an example: After the nation adopted a similar policy, a series of brush fires in 2009 now known as Black Saturday killed 173 people, many sheltering in their homes.

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Some in the bohemian community of nature lovers, creatives and free spirits — who often pride themselves on their rugged, risky lifestyle navigating floods, mudslides, wildfires and the road closures and power outages they entail — are left with the sinking realization that the wildfire risk in Topanga may be too big to bear.

Water tanks called "pumpkins" are available to helicopters to be used during a fire

Water tanks called “pumpkins” are available to helicopters to be used during a fire at 69 Bravo, an LAFD Command Center along Saddle Peak Road in Topanga.

They see the shelter-in-place plan as a perilous wager, with no comprehensive plan to help residents harden their homes against fire and no clear, fire-tested guidance on what residents should do if they’re stuck in a burning home.

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“Do we need to have some way of communicating with first responders while we are sheltering in place? Would the fire front be approaching us and we’re just on our own?” asked Connie Najah, a Topanga resident who attended ReadyFest and was unsettled by the proposal. “What are the plans for helping people through this season and the next season while we’re waiting to have widespread defensible space implementation?”

No fire chief wants to face the scenario of a vulnerable town with no time to evacuate. But it is a real possibility for Topanga. Smith, speaking to The Times, stressed that the new guidelines only apply to situations where the Fire Department has deemed evacuations infeasible.

“If we have time to evacuate, we will evacuate you,” Smith said.

Emergency operations experts say not enough has been done in their field to address the very grim possibility that evacuating may not always be possible — in part because it’s a hard reality to confront. It’s not a small problem, either: Cal Fire has identified more than 2,400 developments around the state with at least 30 residences that have significant fire risk and only a single evacuation route. Topanga is home to nine of them.

“We’re pretty isolated. We’re densely populated. Fuel and homes are intermixed. It’s an extremely dangerous area.”

— James Grasso, president of the Topanga Coalition for Emergency Preparedness

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Recent fires, including the 2018 Camp fire in Paradise and Woolsey fire in Malibu, have made the issue too hard to ignore.

In Topanga, Najah has a ham radio license so she can stay informed when power and cell service inevitably go down. The elementary school relocates out of town during red-flag days. A task force including the Topanga Coalition for Emergency Preparedness, the Fire Department and other emergency operations agencies publishes a Disaster Survival Guide and distributes it to every household.

“The survival guide was born out of necessity,” said James Grasso, president of TCEP, who also serves as a call firefighter for the county Fire Department. “We’re pretty isolated. We’re densely populated. Fuel and homes are intermixed. It’s an extremely dangerous area, particularly during Santa Ana wind conditions.”

The guide had instructed residents to flock to predetermined “public safe refuges” in town, such as the baseball field at the Community House or the large parking lot at the state park, to wait out fires. If residents couldn’t make it to these, there were predetermined “public temporary refuge areas” within each neighborhood, such as street intersections and homes with large cleared backyards, that provide some increased chance of survival.

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But when the Fire Department determined the spaces were not capable of protecting the town’s entire population from the extreme radiant heat, it pivoted to sheltering in place — the last and most dangerous option listed in the old guide.

A woman seated in a car points at photographs in a binder.

Connie Najah, a 16-year resident of Topanga, points out photographs from the Topanga Disaster Survival Guide of places that were once considered “public safe refuges” to be used during a fire.

The survival guide’s old plan was consistent with what emergency response experts and officials have argued across the globe, but it failed to meet typical safety standards for such an approach.

In a March report from the National Institute of Standards and Technology, researchers who spent years investigating the response to the Camp fire recommended a network of safety zones and temporary fire refuge areas as a strategy to keep residents alive.

The report argued that, due to tightly packed combustible structures amid an accumulation of flammable vegetation, “nearly all” communities are “unsuitable” for sheltering in place.

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David Shew, a trained architect and firefighter who spent more than 30 years at Cal Fire, said that for a shelter-in-place policy to be viable, a community would need to undertake significant work to harden their homes and create defensible space — work that has not been done in most California communities.

It’s “not really safe for people to just think, ‘OK, I’ve done nothing but they told me to just jump in my house,’” he said.

And once a house ignites, suggestions that Smith offered up at ReadyFest like sheltering in a bathroom are of little use, said Mark Ghilarducci, a former director of the California Governor’s Office of Emergency Services.

“Under certain circumstances, your home could potentially provide a buffer,” he said. But if a house is burning and surrounded by fire in the wildlands, “you’re in a position where you are essentially trapped, and your bathroom’s not going to save you.”

Smith said, however, that the Fire Department had done its own analysis of the Topanga area and determined that the fire dynamics in the area are too extreme for Topanga’s proposed public shelter spaces to be effective.

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“There is no way that we can 100% eliminate the fire risk and death potential if you live in a fire-prone area.”

— Drew Smith, assistant fire chief at the Los Angeles County Fire Department

During hot, aggressive fires like the Woolsey, Franklin and Palisades fires, Smith said, “for 30 to 100 people, you need a minimum of clear land that’s 14 acres, which is 14 football fields.” Many of the safety areas in the survival guide, such as an L.A. County Public Works water tank facility, are barely larger than 1 acre.

The department argues sheltering in place, although far from guaranteeing survival, eliminates the risk of residents getting trapped on roadways, unable to see, with almost no protection.

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“There is no way that we can 100% eliminate the fire risk and death potential if you live in a fire-prone area,” Smith said.

1 a man walks towards a baseball field

2 a woman stands on a parking lot

1. Topanga resident James Grasso, president of Topanga Coalition for Emergency Preparedness, walks toward a baseball field that was once declared a public safe refuge to escape to during a fire at the Topanga Community Center. 2. Connie Najah stands on a portion of Peak Trail that was at one time considered a public temporary refuge area during fires in Topanga.

Regardless of what residents (or emergency response experts) think of the department’s approach, the safest thing residents can do, experts say, is to always, always, always follow the department’s orders, whether that’s to evacuate, find a safety zone or shelter in their homes. The department’s plan to keep residents alive depends on it.

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Still, the history of shelter-in-place policies — and their more aggressive companion, “stay and defend,” which involves attempting to actively combat the blaze at home — looms heavy.

After more than 100 bush fires swept through southeast Australia in 1983, killing 75 people in what became known as Ash Wednesday, Australian fire officials adopted a “stay or go” policy: Either leave well before a fire reaches you, or prepare to stay and fend for yourself. If you’re living in a high fire hazard area, the philosophy goes, it is your responsibility to defend your property and keep yourself alive amid strained fire resources.

Around the same time, California considered the policy for itself after dangerous fires ripped through the Santa Monica Mountains, Ghilarducci said. State officials ultimately decided against it, choosing instead to prioritize early evacuations. Cal Fire’s “Ready, Set, Go!” public awareness campaign became the face of those efforts.

In 2009, an explosive suite of brush fires broke out, yet again, in southeast Australia and seemed to confirm California’s worst nightmare: 173 people lost their lives in the Black Saturday tragedy. Of those, 40% died during or after an attempt to defend their property, and nearly 30% died sheltering in their homes without attempting to defend them. About 20% died while attempting to evacuate.

Afterward, Australia significantly overhauled the policy, placing a much greater emphasis on evacuating early and developing fire shelter building standards.

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Nearly a decade later, California confronted its own stress test. The Camp fire ripped through Paradise in the early morning on Nov. 8, 2018. The time between the first sighting of the fire and it reaching the edge of town: one hourand 39 minutes. The time it took to evacuate: seven hours.

Among the miraculous stories of survival in Paradise were the many individuals who found refuge areas in town: a predetermined safety zone in a large, open meadow; the parking lots of stores, churches and schools; a local fire station; roadways and intersections with a little buffer from the burning trees.

But the same day, the intensity of the Woolsey fire in the Santa Monica Mountains — similarly plagued with evacuation challenges — unsettled fire officials. It’s in these conditions that Smith doubted Topanga’s refuge sites could protect residents.

Stuck without many options, the Fire Department began slowly thinking about refining the policies that proved disastrous for Australia. The Palisades fire brought a renewed urgency.

Just a month before ReadyFest, L.A. County Fire Chief Anthony Marrone stirred anxiety among emergency response officials when he appeared to endorse a stay-and-defend policy, telling KCAL-TV, “We’ve always told people that when the evacuation order comes, you must leave. We’ve departed from that narrative. With the proper training, with the proper equipment and with the proper home hardening and defensible space, you can stay behind and prevent your house from burning down.”

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The department later clarified the statement, saying the change only applies to individuals in the Santa Monica Mountains’ community brigade who have received significant training from the department and operate under the department’s command. (The brigade is not intended as a means for members to protect their own homes but instead serve the larger community.)

Now, residents worry the policy to shelter in place is coming without enough preparation.

A worker holds a stop sign on a road with one lane blocked by traffic cones.

A worker stops traffic that has been reduced to one lane on a portion of Topanga Canyon Boulevard for underground cable installation Nov. 19.

A Times analysis of L.A. County property records found that roughly 98% of residential properties in Topanga were built before the state adopted home-hardening building codes in 2008 to protect homes against wildfires.

However, a significant number of Topangans have opted to complete the requirements regardless. Various fire safety organizations in the Santa Monica Mountains have visited more than 470 of Topanga’s roughly 3,000 residential properties to help residents learn how to harden their homes. These efforts are, in part, why the National Fire Protection Assn. designated the mountain town as a Firewise Community in 2022.

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There are some relatively simple steps homeowners can take, such as covering vents with mesh, that can slightly reduce the chance of a home burning. But undertaking a comprehensive renovation — to remove wood decks, install noncombustible siding and roofing, replace windows with multipaned tempered glass, hardscape the land near the house and trim down trees — is expensive.

A report from the community development research nonprofit Headwaters Economics found a complete home retrofit using affordable materials costs between $23,000 and $40,000. With high-end materials that provide the best protection, it can cost upward of $100,000.

“We’re not the only rural community. All over the state, people are having to deal with this.”

— Connie Najah, 16-year resident of Topanga

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Many Topangans have taken up the challenge, anyway. Grasso, who lost his home in the 1993 Old Topanga fire, has slowly been hardening his property since the rebuild. He’s even built a concrete fire shelter against a hillside with two steel escape doors and porthole windows.

Researchers have found comprehensive home hardening and defensible space can reduce the risk of a home burning by about a third, but not bring it down to zero. (Albeit, none have tested Grasso’s elaborate setup.)

1 Nancy Helms stands on top of "dwarf carpet of stars," a succulent plant that surrounds a large area of her home as a fire prevention method on Rocky Ledge Road in Topanga.

2 Ryan Ulyate uses metal sculptures of plants and cactus outside his home in Topanga. He has eliminated any brush or flammable plants near his home and surrounds it in gravel to prevent his home from catching fire.

3 Ryan Ulyate shows a vent opening that he covered with metal filters to prevent embers from entering his home if a fire occurs in Topanga.

1. Nancy Helms stands on top of “dwarf carpet of stars,” a succulent plant that surrounds a large area of her home as a fire prevention method on Rocky Ledge Road in Topanga. 2. Ryan Ulyate uses metal sculptures of plants and cactus outside his home in Topanga. He has eliminated any brush or flammable plants near his home and surrounds it in gravel to prevent his home from catching fire. 3. Ryan Ulyate shows a vent opening that he covered with metal filters to prevent embers from entering his home if a fire occurs in Topanga.

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Wildfire safety experts hope the state someday adopts building standards for truly fire-proof structures that could withstand even the most extreme conditions and come equipped with life-support systems. But any such standards are years away, and the L.A. County Fire Department has to have a plan if a fire breaks out tomorrow.

For Grasso, fire risk is a risk like any other, like the choice to drive a car every day. In exchange for the beauty of living life in Topanga, some folks will learn to accept the risk and do what they can to mitigate it: Harden a home, fasten a seat belt. Others — especially those unable to take the drastic steps Grasso has been able to — will deem the beauty of life in Topanga not worth the risk of getting trapped by flames.

“The amount of money it takes to get to this point is too cost-prohibitive for us at this moment,” Najah said. “It’s really a tough place to be in. … It’s not going to be easy, and we’re not the only rural community. All over the state, people are having to deal with this.”

Times assistant data and graphics editor Sean Greene contributed to this report.

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New FireSat satellites promise faster wildfire detection over California and beyond

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New FireSat satellites promise faster wildfire detection over California and beyond

A trio of satellites set to launch early Tuesday will give wildland firefighters more time to respond and scientists more information about fire-prone regions across the globe.

The launch from Vandenberg Space Force Base is the first phase in a constellation called FireSat that will eventually cover the globe with 50 satellites collecting high-resolution imagery of fires and conditions on the ground every 20 minutes.

Earth Fire Alliance, the nonprofit group behind FireSat, got the project off the ground with $69 million in grants from the Bezos Earth Fund, Google and the Gordon and Betty Moore Foundation.

San José-based Muon Space built the satellites. Muon and the California Department of Forestry and Fire Protection are both FireSat partners.

The satellites use advanced thermal sensors to detect heat and can pick up signals from fires as small as a beach bonfire, as well as cooler fires that have been smoldering for days, according to Michael Falkowski, lead scientist at Earth Fire Alliance. That information will help fire officials, including the Los Angeles and Los Angeles County fire departments, understand whether blazes are growing, where they are headed and how much soot and smoke they are generating.

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FireSat’s infrared instruments detected this small roadside fire in Medford, Ore., during a 2025 test flight.

(Muon Space)

“If we can differentiate between a smoldering fire and a flaming combustion fire, it really has a big impact on how we can understand the air quality emissions coming off the fire,” Falkowski said.

Fires that burn at low temperature produce more harmful gases than hot fires. Think about a campfire. When it’s burning hot with bright flames, there is relatively little smoke. When it’s smoldering, it produces lots of thick, white or gray smoke.

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Wildfires work the same way.

A hot, fast-burning fire has enough oxygen and heat to burn with more complete combustion, producing less smoke for every pound of wood burned.

Earth Fire Alliance will provide data from these first three satellites in the next few months to Cal Fire and fire agencies in Oregon, Texas, Australia and Portugal. Cal Fire will share it with Southern California fire agencies.

The network will also turn its sensors on in the Amazon Basin for the Brazilian nonprofit Amazon Environmental Research Institute.

Cal Fire should begin receiving data from the scientists later this year, according to Falkowski, who joined Earth Fire Alliance last year from NASA, where he was an earth science program manager running the agency’s fire science program.

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Instruments on the satellites will be able to detect fires the size of a shipping container.

Instruments on the satellites will be able to detect fires the size of a shipping container, and distinguish between hot, intense wildfires and cooler, smoldering ones.

(Muon Space)

Falkowski said the new FireSat satellites are a big improvement over existing ones because they will be able to see smaller fires with better resolution and distinguish low-intensity “cool” fires from high-intensity hot ones.

“The satellites are really designed to measure fire across the entire temperature profile, so we can see cool fires all the way up to really hot fires,” he said.

That kind of granular information is important for emergency responders in the field and planners who make decisions about calling for extra help or ordering evacuations.

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The National Oceanic and Atmospheric Administration operates three satellites that can detect a fire somewhere inside a square 1,230 feet across.

In contrast, instruments on the FireSat satellites will be able to detect small brush and roadside fires 16 feet across.

Cal Fire officials have long embraced new technology to get ahead of wildfires in recent years, testing autonomous firefighting helicopters and partnering with UC San Diego to use artificial intelligence to filter images from a network of more than 1,200 cameras on lookout towers and mountain tops. The Alert California program is able to spot smoke in a video and sends automated messages to one of 21 agency command centers across California.

In 2025, Alert California sent out automated warnings before authorities even received 911 calls from the public 51% of the time, according to Phillip SeLegue, staff chief of Cal Fire’s intelligence program.

A worker at Mountain View-based Muon Space puts the final touches on a wildfire-detection satellite.

A worker at Mountain View-based Muon Space puts the final touches on a wildfire-detection satellite scheduled to launch Tuesday on a SpaceX rocket. The satellites will be tracking fires across the globe.

(Muon Space)

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FireSat will help incident commanders get better information more quickly, and, unlike fire-spotting aircraft, the satellites can linger over a fire for days or weeks and aren’t hampered by high winds or smoke.

Travis Medema, chief deputy for the Oregon State Fire Marshall, said his office will use FireSat to plan escape routes and monitor fires. “If we can fight these when they are small, we feel we will be more efficient and can protect Oregonians,” he said.

One expert noted that turning satellite data into information useful to firefighters and forestry managers will take some time. The FireSat data will “be amazing for fire nerds, but how and whether it helps individual fires remains to be seen,” said Joe H. Scott, founder of Pyrologix, a wildfire analysis firm based in Missoula, Mont. “Right now, we are not basing decisions on where satellites tell us a fire is,” Scott said.

Pyrologix develops wildfire risk management models for federal agencies, local governments and utilities. Scott said FireSat’s high-resolution data will help him build better prediction models that take into account weather, drought, plants and the history of fires in a region.

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14 propositions that could remake California taxes, housing, healthcare and elections

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14 propositions that could remake California taxes, housing, healthcare and elections

California voters will decide 14 statewide propositions in the Nov. 3 election, measures placed on the ballot mostly by either powerful interest groups or lawmakers that will affect the lives of millions of Californians.

While a proposed tax on state billionaires has dominated headlines, voters will also have a chance to weigh in on a number of consequential issues, from healthcare to voter identification requirements and more.

Californians are accustomed to legislating by the ballot and often face a list of propositions. But even by the standards of the state’s direct democracy process, the 2026 election stands out. The campaigns supporting and opposing the ballot measures have already collected more than $100 million in contributions, and are expected to use their money to inundate the television airwaves, livestreams and social media feeds and to flood mailboxes with glossy campaign mailers over the coming months.

Here are the measures on the Nov. 3 ballot:

Proposition 1: The Veterans and Affordable Housing Bond Act of 2026

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Spurred by the state’s affordable housing shortage, state lawmakers are asking voters to approve an $11.25-billion bond to boost affordable housing construction around the state.

Advocates say the funds would help build more than 40,000 shovel-ready affordable homes that are unable to move forward because of a financing gap and help preserve thousands of other existing units.

Proposition 1 includes specific funding for high-need groups, including $1.25 billion for a veterans’ home loan program, $1.15 billion for supportive housing for homeless people, $350 million for student housing at state universities, $450 million for farmworker housing and $200 million for Native American tribes.

“In California, we don’t turn away from the needs of our people — we meet them head-on,” said Gov. Gavin Newsom in a statement about the measure. “We are giving voters the power to help shape the future of housing in our state. This bond is about building communities, expanding access and affordability in California, where every family has a fair shot at a place to call home.”

Some Republicans took issue with the measure’s title — “The Veterans and Affordable Housing Bond Act of 2026” — arguing that it included veterans to have broader appeal while doing little to actually help homeless veterans.

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“It’s a sad thing to say that you have to use the veterans as bait to get the people of the state of California to approve an $11-billion bond, and I just think that’s shameful,” said Sen. Shannon Grove (R-Bakersfield), an Army veteran. “Call it what it is. It’s a homeless bond, and it does include some veterans’ benefits, but it is not a veterans bond.”

Proposition 2: Save for California’s Future Act

Icon illustration of California in a crystal ball.

This measure would give California lawmakers more flexibility over state spending and allow them to save money that could otherwise go back to taxpayers.

The measure, supported by Newsom, seeks to exempt deposits into state savings accounts from a spending limit that voters adopted through a series of ballot measures dating back to the late 1970s, and to increase the share of tax revenue that can be put into the rainy day fund.

Under an existing state appropriations restraint, also known as the Gann Limit, lawmakers cannot spend more than an amount determined by a formula that takes annual tax proceeds, changes to the population and cost of living into consideration. Tax revenue above the limit must be divided between schools and refunds to taxpayers.

The measure could incentivize lawmakers to save more money because funds tucked away in the rainy day fund would no longer be considered expenditures counted toward the spending limit. By allowing lawmakers to set aside more money that is not subjected to state spending limits, it could also allow them to hold onto money that otherwise would be returned to taxpayers under current law.

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This proposed constitutional amendment was placed on the ballot by state lawmakers.

Proposition 3: Fund schools and healthcare

Icon illustration of books, an apple, a hospital and stacks of coins.

If passed, this proposition would make permanent an existing tax on high-income Californians.

The existing tax, passed by voters in 2012 and extended in 2016, is set to expire in 2031. It applies to people who earn more than $360,000 for single filers, $721,000 for joint filers, and $490,000 for heads of household. It adds between 1% to 3% to these high earners’ personal income tax rates.

According to the initiative text, the funds are largely earmarked for local school districts and community colleges, with some portion of the money going to California’s rainy day reserves — which the state uses to prevent cuts to healthcare and other services when revenues decline. The measure says revenues cannot be spent on state bureaucracy or administrative costs.

The state’s nonpartisan Legislative Analyst’s Office expects the measure to bring in between $5 billion and $15 billion annually, depending on how the stock market is performing, with the amount expected to grow over time.

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Proposition 4: Public financing of campaigns

Icon illustration of money inserted into a ballot box.

This measure would allow the state and local governments to offer public campaign financing to candidates running for elected office. Candidates receiving the funding must abide by expenditure limits and adhere to the criteria set by statute, ordinance or charter to demonstrate broad support, such as demonstrate a large number of small dollar contributions.

None of the public campaign financing can come from funds designated for education, transportation or public safety. The financing cannot discriminate based on party or whether a candidate is a challenger or an incumbent. The public funds cannot be used for legal costs, fines or to pay back personal loans to a campaign.

This measure was placed on the ballot by the California Legislature and governor.

Proposition 5: Recall elections

Icon illustration of a ballot box being yanked offstage by a large hook.

This measure would change the way recall elections are conducted in California. Under this proposed constitutional amendment, during a recall election, voters would decide solely whether a politician should be removed from their elected position. If the recall is successful, that office would remain vacant until it is filled in accordance with existing law — either by a separate election or by appointment.

Under current law, voters make two separate decisions during a recall election: Whether to remove the subject of the recall from office and, if they are booted, which candidate running to replace them should fill the position. The candidate who receives the most votes wins, even if they receive far less than 50% of the vote.

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The proposed constitutional amendment would also allow the recalled politician to run in the next election to fill the vacancy, though they cannot be appointed to their former post. Under the current system, office holders targeted in a recall are barred from being a candidate to replace themselves in that same election.

The proposal comes in the wake of the unsuccessful, Republican-led recall campaign against Gov. Gavin Newsom in 2021, which in part tested voter sentiment about his response to the COVID-19 pandemic. One of the sponsors of the recall-reform measure was Sen. Josh Newman (D-Fullerton), who was recalled from office in 2018 after he voted to increase gas taxes for road repairs, legislation pushed by then-Gov. Jerry Brown. Newman won back his seat in 2020.

This proposed constitutional amendment was placed on the ballot by the California Legislature.

Proposition 37: Homeownership loan program

Icon illustration of a home with magnifying glass, pen and contract.

Proposition 37 would create a down payment assistance program to help middle-class Californians buy a new home.

The measure, spearheaded by former state Senate Majority Leader Bob Hertzberg, would allow middle-class California residents — defined as anyone who makes less than 200% of an area’s median income — borrow most of their down payment for a new home that they plan to live in. It is designed to boost construction of single-family homes.

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A down payment is traditionally about 20% of the purchase price of a home. If passed, the measure would create a state-administered loan program that offers qualified homebuyers a second mortgage of up to 17% of a home’s sale price.

The proposition would allow the California Housing Finance Agency to issue up to $25 billion in revenue bonds to administer the program.

The Legislative Analyst’s Office does not anticipate the measure to result in direct state or local costs because the costs are meant to be covered by homeowners’ mortgage payments.

Proposition 38: Immunology research bond

Icon illustration of several viruses and bacteria.

Proposition 38 asks voters to approve an $8.4-billion bond to support research in the burgeoning fields of immunology and immunotherapy, which study the human immune system and how it can be used to prevent, treat and cure diseases.

If approved, half of the funding would go toward the creation of a new immunology and immunotherapy research institute affiliated with the University of California. The other half would fund research grants for other California-based universities and nonprofit medical research institutions to study potential treatments for cancer, Alzheimer’s disease and heart disease.

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The measure has a built-in discount program for Californians — it requires that any technology or drugs developed from bond-funded research be sold to California patients for a price at least 20% below the national average.

Backers of the proposal include the Alzheimer’s Assn., National Multiple Sclerosis Society and other healthcare groups. Supporters argue the funding would facilitate research that could save lives and save patients “billions of dollars in health care costs by preventing and curing a range of debilitating diseases and illnesses,” according to the initiative text.

Proposition 39: Voter identification

Icon illustration of a California driver's license, photo and Real ID.

Proposition 39 would require Californians to show government-issued identification every time they vote at the polls.

Currently, Californians must affirm under penalty of perjury that they are U.S. citizens and provide information to verify their identity, such as their birth date, driver’s license or Social Security number, when registering to vote, but they don’t have to present identification when they cast their ballot.

Under this measure, voters would also need to present government-issued ID each time they vote in-person at the polls or, if voting by mail, provide the last four digits of a “unique identifying number from government-issued identification” that matches the one they provided when they registered to vote. California would be required to provide free voter ID cards on request, and state and county election officials would be required to verify registered voters are U.S. citizens by using government data.

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The voter ID measure has support from Assemblymember Carl DeMaio (R-San Diego), who has framed it as necessary to prevent voter fraud and restore trust. It comes as President Trump is pushing for stricter voter identification requirements and severe limits on voting by mail.

Democrats and voting rights groups, including the American Civil Liberties Union, oppose the measure, saying California’s elections are already secure — voter impersonation and noncitizen voting cases are rare — and that it would make voting harder for many eligible voters, including people who have changed names, move frequently or face housing instability.

According to the Legislative Analyst’s Office, the measure would make election administration more expensive, costing state and local governments anywhere from tens of millions to low hundreds of millions of dollars annually, plus tens of millions in upfront implementation costs.

Proposition 40: Billionaire tax

Icon illustration of a hand with cufflinks pinching a money coin.

This proposition, supported by a healthcare worker union, would impose a one-time tax of 5% on taxpayers and trusts with assets valued at more than $1 billion.

According to a state-prepared summary of the measure, 90% of the tax revenues would be spent on healthcare and 10% would fund food assistance or education-related programs. California’s richest residents would be able to spread the payments over five years.

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The Legislative Analyst’s Office estimates it would generate “tens of billions of dollars” spread over several years, but would lead to an annual decrease in state income tax revenues of “hundreds of millions of dollars or more.”

Newsom has publicly opposed the tax, arguing it would lead wealthy residents to leave the state and lead to future budget problems. Other opponents include Planned Parenthood, the California School Boards Assn. and a nonprofit called Building a Better California that is backed by tech execs and venture capitalists.

Some billionaires have already proactively moved themselves or their businesses out of the state because of the proposal, which as written would retroactively apply to residents of the state as of Jan. 1.

Proposition 41: Requires limits and audits on new state special taxes

Icon illustration of scissors cutting a document in half with stacks of coins nearby.

This is one of two ballot measures crafted by opponents of the proposed initiative to impose a new tax on California billionaires, and it would in effect undercut or curtail that wealth tax.

This proposed ballot measure would also prohibit any new state taxes from being excluded from the state’s current voter-approved spending limit. The proposed billionaire tax would have such an exclusion. If the billionaire tax proposal is approved by voters but this proposal receives more votes, the billionaire tax measure would be voided.

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The measure would require the state auditor to conduct a financial and performance audit of proposed ballot initiatives and of the programs they fund. The measure would require audits of any program that would receive funding from the special tax in the proposed initiative to assess the efficiency of the program and recommend who ought to reduce its annual costs by 10%. If the measure passes, the costs of the audits would be paid via the revenues generated by the special tax.

This ballot initiative is one of two so-called poison pills to sink the billionaire tax that is being bankrolled by Building a Better California, which has raised well over $100 million from the state’s most affluent. The largest donor is Sergey Brin, a co-founder of Google, who has reportedly moved out of California because of the tax proposal. He donated at least $82 million to the group as of late June.

Proposition 42: Ban on new state personal property taxes

Icon illustration of scissors cutting a document in half with a house symbol. Stacks of coins nearby.

This is one of two ballot measures created by opponents of the proposed initiative to impose a tax on California billionaires, and it would in effect void that wealth tax.

This proposed ballot measure would prohibit new taxes on personal property, intellectual property, retirement accounts and other assets and would limit situations in which a ballot measure or state lawmakers can impose or raise taxes retroactively — both of which are essential parts of the billionaire tax initiative.

If the billionaire tax proposal is approved by voters but this proposal receives more votes, the billionaire tax ballot measure would be voided.

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This ballot initiative is one of two so-called poison pills to sink the billionaire tax that is being bankrolled by Building a Better California, which has raised well over $100 million from the state’s most affluent. The largest donor is Sergey Brin, a co-founder of Google, who has reportedly moved out of California because of the tax proposal. He donated at least $82 million to the group as of late June.

Proposition 43: Voting thresholds for special taxes

Icon illustration of two dollar bills with checkmarks and one dollar bill with a red X.

The measure would prohibit local governments from imposing new special taxes unless the proposed tax receives approval from two-thirds of voters. The restriction also applies to citizen initiatives, which currently only need a simple majority vote to be approved.

The Howard Jarvis Taxpayers Assn. supports Proposition 43. The advocacy group has characterized the measure as an effort to “save” 1978’s Proposition 13, the landmark initiative that capped California property tax increases and required a super-majority of votes to approve most future tax increases.

Assemblymember Buffy Wicks (D-Oakland), who authored the legislation that became Proposition 43 — ACA 22 — opposes the measure and has urged Californians to vote against it. She said the only reason she crafted the bill was because it was a necessary bargaining chip to torpedo another ballot measure backed by the Howard Jarvis Taxpayers Assn. that would have devastated revenues for local governments and retroactively rescinded some local tax increases.

“I authored ACA 22 not because I wanted it to become law — but because it was the only path left to get the more dangerous initiative off the ballot before time ran out,” Wicks posted on social media.

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Proposition 44: Regulate health clinic spending

Icon illustration of a stethoscope encircling stacks of coins.

If passed, Proposition 44 would require federally qualified health centers to spend 90% of their revenue on “program services advancing their charitable purpose” rather than management and overhead. Community clinics that fail to comply would be penalized, with fines placed in a state-managed fund to be spent on clinic workforce programs.

Advocates say clinics spend too much on executive pay and other administrative costs and not enough on patient care. The measure, which would dictate how clinics spend money, is designed to fix that. The measure is backed by the Service Employees International Union-United Healthcare Workers West, an influential healthcare workers union, which argues it will help hold clinics accountable.

In May, the California Primary Care Assn., which represents more than 2,300 community health clinics, sued to block the ballot measure. The state’s powerful doctors’ lobby, the California Medical Assn., also opposes the measure, arguing it would ban clinics from keeping funding in reserves and hamper their ability to upgrade equipment or expand to new locations.

The Legislative Analyst’s Office estimates that enforcing the measure would cost the government up to the low tens of millions annually, and that much of the cost would be paid for through penalties and fees charged to affected clinics. The office says the measure has “uncertain” impacts and could lead to clinic closures.

Proposition 45: CEQA reform

Icon illustration of half of the Earth and half of a mechanical gear.

This proposition would amend the California Environmental Quality Act, or CEQA, and speed up the process for projects deemed “essential,” including certain housing, water, health, public safety, energy and transportation projects.

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Jails, detention facilities and oil or natural gas production facilities would not be considered “essential” projects, according to the measure text.

If passed, the measure would set deadlines for public agencies to complete environmental review, allow expedited review of a project’s environmental impacts — currently, public agencies are required to consider a range of feasible alternatives to reduce environmental impacts — and establish deadlines for filing and resolving lawsuits.

CEQA lawsuits have often been used to block construction of housing in the state. For instance, in Berkeley, neighbors used CEQA — citing potential noise impact from partying students — to delay, for years, UC Berkeley’s construction of student dorms on People’s Park.

The Legislative Analyst’s Office estimates that the state and local government implementation will cost in the tens of millions of dollars for the first several years. It notes the legislation would probably result in net savings in the long term due to reduced administrative and legal workload.

Times staff writers Seema Mehta and Phil Willon contributed to this report.

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Science

July Fourth fireworks may bring ‘hazardous’ air quality to Southern California. What you need to know

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July Fourth fireworks may bring ‘hazardous’ air quality to Southern California. What you need to know

L.A.’s love of fireworks makes for a colorful Fourth of July, with dozens of official celebrations and countless illicit explosions expected for the holiday.

But as each sparkler, Roman candle, palm and peony dissipates, it leaves behind a cloud of noxious gases, soot and finely ground toxic metals — some of which ends up in the lungs of revelers and passersby below.

Hazardous levels of air pollution are expected across central and southern Los Angeles County, northern Orange County, and Riverside and San Bernardino counties from 5 p.m. Saturday evening through 3 p.m. Sunday, according to the South Coast Air Quality Management District. Unhealthy air quality is also expected in northern Los Angeles County and southern Orange County.

Pollution levels are expected to build from dusk onward Saturday, as light winds and increased firework activity lead to an increase in smoke, a South Coast AQMD advisory said. Soot and particulates will likely linger through Sunday afternoon before being dispersed by the wind.

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Firework-related pollution can trigger coughs, breathing problems, asthma flares and heart attacks, according to Los Angeles County Public Health, and anyone experiencing severe or worsening cardiovascular symptoms like chest pain or difficulty breathing should seek medical attention immediately.

Pyrotechnics set off at home are even more likely to trigger cardiovascular problems, the American Lung Assn. says, as the burst of pollutants takes place closer to the ground.

July 4 and 5 are traditionally two of the worst days of the year for the region’s air quality, according to South Coast AQMD. This year’s celebration comes on the heels of a late June warehouse fire in Boyle Heights that released extraordinary amounts of soot and smoke across the county, on par with pollution generated by the previous year’s wildfires.

To limit negative health effects, the L.A. County public health department recommends avoiding strenuous physical activity and keeping doors and windows closed. As whole house fans and swamp coolers can suck additional pollutants inside, the department recommends using air purifiers or air conditioners as alternatives when possible.

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