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What Angelenos can learn from the Maui Wildfire Exposure health survey.
After a week and a half of unimaginable destruction, Los Angeles is at last beginning to look toward its recoveryfrom the Palisades and Eaton fires. Traversing that stage will take years, not only because of the significant economic and political implications of the fires, but also because of what they will mean for the health and well-being of the thousands of residents who live in or near the burn zones.
Los Angeles isn’t navigating the crisis alone, though. In the wake of the deadly 2023 Maui wildfire, researchers at the University of Hawaii launched the Maui Wildfire Exposure Study, a multi-year effort to track the disaster’s physical and mental health impacts on residents. Though the demographics of West Maui differ greatly from those of Pacific Palisades or Altadena — two of the most affluent zip codes in the country — California public officials, medical professionals, and wildfire survivors can still learn from the ongoing work of the MauiWES.
To that end, I spoke yesterday with Ruben Juarez, one of the study’s lead researchers. Our conversation has been edited and condensed for clarity.
What is the Maui Wildfire Exposure Study?
The Maui Wildfire Exposure Study follows a comprehensive cohort of people affected by the 2023 fires. We collected data six months after the fire, and typically, we’re looking for the long-term effects. For 60% of the individuals who came to the study, it was their first health check since the fires.
It is a pretty interesting population: They’re underserved and typically lack access to health care. We found three main trends: The first was mental and physical health issues. Access to care was a big issue in Hawaii, and I’m hoping that’s not going to be the case in California, but it definitely was here. Housing, job, and food insecurity were other big issues, as were the social impacts.
What have you learned about the mental and physical health of people exposed to the Maui wildfires?
Pre-wildfire we knew that the rate of depression symptoms in the Maui population was about 30%. Post-wildfire, we’re seeing more like 52%, so more than one in two participants in the study were showing depression symptoms. Low self-esteem was another issue. Something that was really worrisome was suicidal ideation: Pre-wildfire, it was less than 1%; post-wildfire, at least for the people in the cohort, it was about 4% of the population. That’s more than a four-time increase.
The second issue is physical health: Nearly half of the participants reported worse health since the fires. We saw respiratory issues, such as coughing, wheezing, difficulty breathing, and also skin and eye irritation, fatigue, and weakness. We’re seeing that about 74% of the participants are facing a heightened risk of cardiovascular disease. We also performed a lung check using spirometry and oscillometry breathing. Based on the spirometry measure, 60% of participants may have poor lung health, and 40% may have mild to severe lung obstruction. We believe this is associated with the exposure to ash and the personal protective equipment individuals wore when they returned to the fire site.
We’ve written a lot about the dangers of wildfire smoke at Heatmap, but I think people are less aware of the risks of wildfire ash. Could you say more?
It’s really toxic. People need to take care of themselves. There are the harmful substances you’d expect in ash: lead, arsenic, asbestos — those are poisons.
Why was our population in Lahaina affected by this? Because they went back to the burned homes and did not wear any PPE. To me, that was crazy. The county said that wearing PPE was a voluntary decision, and that was a mistake. And PPE is not just a mask: you really need eye protection, gloves, footwear, and long clothing, because the ash is really toxic.
Even in small amounts, the poisons in ash can harm the lungs and the heart, and there are long-term effects, including cancer, which is one of the things we’re trying to prevent. In the case of Hawaii, for the initial batch of 767 individuals in the study, we did a heavy metal analysis — a comprehensive panel of 32 of the most expected heavy metals. We already knew that five of the most common heavy metals were found in ash present in Hawaii: arsenic, lead, antimony, copper, and cobalt. We learned that 20% of participants affected by the fires in our cohort were showing an elevated level of at least one of these heavy metals, which is not something that you would expect. We don’t want these things in our bodies at any level. People must know that these things are harmful and they need to take care of their health.
And that’s all just from people returning to their homes and sifting through the ash? Or can ash blow into an area that didn’t burn and affect people that way, as well?
Many participants were uneducated about the harmful effects ash has, especially when it has contact with your skin. But you should also avoid breathing or swallowing soot and ash at any cost. The effects were seen in individuals who had direct contact at a site or were indirectly exposed through smoke or blowing winds — but the majority was direct contact.
That’s so scary.
Not everything was bad news. We found some exciting ways to potentially address some of these issues. For instance, resiliency was at the top of the minds of many participants in the study: “How can I be resilient? How can I survive this catastrophe?”
We also found that lower-income individuals trust and use community organizations more than government services, like federal, state, and county agencies. This information could potentially help us intervene, especially when considering underserved populations like immigrant populations. They just don’t trust the government. Addressing issues through community organizations on the ground was extremely helpful because it allowed people to access the services they needed.
Another thing that we noticed that was super helpful was that people who maintain strong relationships with family and friends experience better health outcomes. Social isolation after a wildfire was really bad, especially for mental health problems. Individuals who are more connected with their friends, family, or are doing something in their community volunteering tend to have better health outcomes, particularly in terms of depression.
How close do you need to have been to a wildfire to experience these effects?
Individuals whose homes were on the perimeter of the burn area experienced more physical symptoms, worse quality of life, and worse mental health. But that doesn’t mean that if your house doesn’t burn, you will not experience any of the symptoms. Even if you didn’t go to a contaminated site, there was all the smoke over the city, and you’re exposed to that. Individuals who are not directly affected can be indirectly affected — at a lower rate, of course, as you’d expect.
Many of the mental health impacts you described were related to things like housing, job, or food insecurity, as well as the lack of access to healthcare resources following a fire. Would you expect mental health impacts to not be as bad in L.A., since it was a more affluent area that burned?
Yes. In fact, coincidentally, one of our scientific advisory board members is a resident of L.A., and he’s been saying that he doesn’t expect the health effects to be as bad in L.A. as they were in Maui because the shortage of doctors is not as big. Also, the type of demographic that is being affected is more affluent.
Having said that, in Hawaii, we had the advantage of winds that blew smoke and soot away. I was reading reports that in L.A., there were no winds, and the smoke was just staying there. In that case, the effects in terms of pulmonary health won’t just be the people directly affected, but the whole city.
What would you want emergency managers and medical professionals in Los Angeles to know about your study as they address the impacts of these fires?
First, we must emphasize to people that this is not a forest fire; houses are burning, full of toxic substances. People need to know that if they return to the burn zone, they need to take care of their health and ensure they are wearing PPE. We need to conduct many communication campaigns around this.
The second thing is, don’t underestimate the power of community and community organizations, especially in L.A., where there are many immigrant populations. Community organizations should be used to provide information because people don’t trust the government or FEMA officials.
The third thing I would emphasize is that after a disaster, when people struggle with housing, job, and food insecurity, their health becomes a lower priority. This is understandable, but unfortunately, neglecting your health at this time can worsen the long-term effects. It’s really important that we emphasize to individuals that even if you don’t have a house or a job right now, you need to take care of your health.
An example of this is in the aftermath of 9/11; years later, more lives have been lost due to exposure to environmental hazards than the disaster itself. If we don’t intervene early on, things can get really bad. That’s what we are trying to do: prevent those long-term effects from happening.
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On the IEA’s latest report, wildfires in North Carolina, and EV adoption
Current conditions: A wildfire in New Jersey’s Wharton State Forest has burned 2,300 acres • An ancient Roman bridge collapsed in central Spain after extreme rainfall from four consecutive storms • Los Angeles could see record-breaking March heat today with temperatures nearing 90 degrees Fahrenheit.
The ballooning price tag of President Trump’s tax cut wishlist and preliminary budget negotiations on the Hill are pointing toward a budgetary showdown in which many of the Inflation Reduction Act’s benefits could become fiscal casualties. D.C. veterans, including former GOP Hill staff, tell Heatmap that even the most bipartisan parts of the IRA could be sacrificed in the budget reconciliation process in order to make room for Trump’s biggest legislative priorities, including extending the 2017 Tax Cuts and Jobs Act, eliminating taxes on tips, overtime pay, and Social Security, and removing the cap on the state and local tax liability deductions.
The Congressional Budget Office, as well as third-party groups like the Tax Foundation and the Penn Wharton Budget Model, have estimated that an extension of the 2017 tax cuts would cost between $3.7 and $4.5 trillion through 2034. If all of Trump’s additional proposed tax cuts were enacted, the cost would jump to $6.8 trillion, according to Penn Wharton. Congress is still at the beginning of the reconciliation process. The next step is for the House and Senate to negotiate a topline number and issue instructions to the committees that will write the final bill on the levels of spending they’re allowed to include.
As Heatmap’s Emily Pontecorvo and Jael Holzman explain, the dollar amount assigned to each committee is a ceiling, and it’s calculated on a net basis. So if the Ways and Means committee, which oversees tax legislation, is assigned a $4.5 trillion deficit ceiling, as it was in the version of the reconciliation instructions that recently passed the House, it’s going to have to find several trillion dollars worth of spending programs to cut. Fully repealing the Inflation Reduction Act’s green energy tax credits — which, according to new modeling from the nonpartisan Tax Foundation, would raise about $850 billion — will start to look harder to avoid.
Major wildfires erupted in the Carolinas over the weekend, burning more than 4,000 acres and threatening some areas that were hit hard by Hurricane Helene six months ago. Debris from hurricanes makes already battered areas more vulnerable to fires, Colleen Hagerty wrote for Heatmap in the aftermath of Helene. And as Heatmap’s Jeva Lange wrote more recently, researchers are pointing to the South as a new area of wildfire concern.
South Carolina’s governor declared a state of emergency Saturday as the Table Rock fire spread to cover 300 acres in the Blue Ridge Mountains, prompting evacuations. In North Carolina, several large fires are raging out of control in Polk County, southeast of Ashville, where last year’s Hurricane Helene brought devastating floods and debris. Much of Polk County is enduring drought conditions. High winds, dry vegetation, and low humidity are fueling the fires, but response efforts are also hampered by steep terrain and hurricane debris that has yet to be cleared. Mandatory evacuations were in effect for some parts of Polk County.
A home destroyed in a fire in North Carolina.Allison Joyce/Getty Images
Global energy demand rose by 2.2% last year, faster than the average pace seen over the past decade or so, according to the International Energy Agency’s Global Energy Review 2025 report. The rise was led mostly by the power sector as record warmth meant greater need for air conditioning, especially in emerging and developing countries. “Nearly all of the rise in electricity demand was met by low-emissions sources,” the report said, with renewables and nuclear providing 80% of the growth in global electricity generation. Energy-related carbon dioxide emissions rose last year (by 0.8%) but at a slower rate than in 2023. “The global increase of 300 million tonnes of CO2 was influenced by record high temperatures,” the report said. “If weather in 2024 had remained consistent with 2023, itself the second-hottest year on record, about half of the increase in global emissions would have been avoided.”
In case you missed it: We now know which grants the Environmental Protection Agency has canceled. A document the EPA shared with the Sierra Club in response to a Freedom of Information Act request shows 49 individual grants that were either “canceled” or prevented from being awarded from January 20 through March 7. The grants’ total cumulative value is more than $230 million, although some $30 million appears to have already been paid out to recipients. Nearly half of the canceled grants are related to environmental justice initiatives. Here’s the full list of grants, by program.
A new study finds that political views remain a key factor in determining whether someone chooses to buy an electric vehicle. The report, from the National Bureau of Economic Research, examined new EV registration data at a county level between 2012 and 2023 and found that during those years, the scale of the EV market expanded, yet nearly half of all sales were in the 10% most Democratic counties. Researchers controlled for other factors, such as income and gas prices, and still, the strong correlation between political ideology and EV adoption remains. And it hasn’t decreased over time. “We find little evidence that the U.S. EV market has broadened across the political spectrum from 2012 to 2023,” the researchers say. There were some exceptions, though: EV trucks and vans are “significantly less concentrated” in left-leaning counties compared to electric cars and SUVs.
California now has nearly 50% more EV chargers than it does gas pumps. According to the California Energy Commission, there are roughly 178,000 EV chargers in the state, compared with approximately 120,000 gas nozzles.
As Republicans’ budget priorities stack up, the numbers are starting to turn against America’s landmark climate law.
Since Donald Trump was reelected president, the climate community has retained a kind of fragile optimism about the Inflation Reduction Act, the historic climate law enacted in 2022 that Trump has vowed to repeal. The oft-repeated mantra is that the IRA is stimulating billions of dollars in investment in red districts, so why would Republicans want to put that at risk? Even if parts of the legislation were killed, surely some of it would remain intact.
But recent events have shifted the calculus. The ballooning price tag of Trump’s tax cut wishlist and preliminary budget negotiations on the Hill are pointing toward a budgetary showdown in which many of the law’s benefits could become fiscal casualties. D.C. veterans, including former GOP Hill staff, say that even the most bipartisan parts of the IRA could be sacrificed.
The reason has to do with the rules of budget reconciliation, the process Republicans in the House and Senate will use to carry out Trump’s agenda over the next several months and the same process Democrats used to pass the Inflation Reduction Act. One of Trump’s biggest legislative priorities is extending the 2017 Tax Cuts and Jobs Act, much of which expires at the end of this year. He also wants to make good on campaign promises to eliminate taxes on tips, overtime pay, and Social Security, and remove the cap on the state and local tax liability deductions.
To do this through the normal legislative process would subject the bill to a potential filibuster in the Senate, which would require 60 votes to override, a margin Senate Republicans lack. Budget reconciliation, however, requires only a simple majority. But there’s a catch: The bill can only contain policies that modify federal spending or revenues. It cannot contain a single provision that doesn’t pertain to the federal budget. And before lawmakers can decide what policies to put in it, they must agree on how much the bill will affect the federal budget. Once they set that topline number, they can’t change it.
“Reconciliation math is at least as important as the merits of reconciliation policies,” Alex Flint, executive director of the Alliance for Market Solutions, told Heatmap. Flint was previously a Republican staff director on the Senate Energy and Natural Resources Committee and top government affairs executive at the Nuclear Energy Institute. “I think a lot of people with specific interests in the tax code fail to look at the scale of the issue that tax writers have to deal with,” he said, adding that whether IRA money has been spent in a given district will probably be a “second or third order factor” in that representative’s vote.
Congress is still at the beginning of the reconciliation process. The next step is for the House and Senate to negotiate a topline number and issue instructions to the committees that will write the final bill on the levels of spending they’re allowed to include. That’s where the punishing math for the IRA comes in. The Congressional Budget Office, as well as third-party groups like the Tax Foundation and the Penn Wharton Budget Model, have estimated that an extension of the 2017 tax cuts would cost between $3.7 and $4.5 trillion through 2034. If all of Trump’s additional proposed tax cuts were enacted, the cost would jump to $6.8 trillion, according to Penn Wharton.
The dollar amount assigned to each committee is a ceiling, and it’s calculated on a net basis. So if the Ways and Means committee, which oversees tax legislation, is assigned a $4.5 trillion deficit ceiling, as it was in the version of the reconciliation instructions that recently passed the House, it’s going to have to find several trillion dollars worth of spending programs to cut. Fully repealing the Inflation Reduction Act’s green energy tax credits — which, according to new modeling from the nonpartisan Tax Foundation, would raise about $850 billion — will start to look harder to avoid.
In a recent talk hosted by the American Enterprise Institute, Jason Smith, a representative from Missouri and Chairman of the Ways and Means Committee, indicated that his party was committed to achieving Trump’s entire agenda through reconciliation. “These are items that he campaigned on, and these are items that will be addressed in any tax package that we move forward on,” he said.
Tax credits related to electric vehicles and green buildings are already almost certainly on the chopping block, but cutting those would raise just $300 billion, according to the Tax Foundation. Lawmakers have other options to achieve significant deficit reductions without fully eliminating the IRA, however. The Tax Foundation’s analysis found that Congress could preserve the nuclear power production tax credit and the carbon capture tax credit — two IRA provisions many Republicans support — as well as a stripped-down version of the renewable energy production tax credit and still raise a respectable $750 billion.
Alex Brill, a former Republican chief economist to the Ways and Means Committee and current fellow at the American Enterprise Institute, told Heatmap that we might see efforts to “rightsize” or “reform” certain tax credits rather than repeal them. Lawmakers could keep the clean electricity tax credits in place for a few more years as an apparent compromise, for example, but phase them out in 2029 or 2030, which is when the Congressional Budget Office estimates they’ll start to be more heavily utilized, and therefore more expensive.
“There’s this possibility that they may be looking at the timing and the duration of some of these provisions,” Brill said.
The IRA prescribes no end date for those credits, which as of now will stay in place until U.S. electricity emissions fall to 25% below their 2022 levels. Jason Clark, the former chief strategist at the American Clean Power Association, told Jael in October that an earlier phase-out would drastically undercut U.S. renewables deployment. “I don’t think a lot of folks appreciate just how long-range some of this planning is — how long it takes to permit something, how long it takes to figure out the interconnection queue. Companies aren’t just thinking, what are we going to build this year? They’re thinking, what will be put online in 2035? So if the government changes the stability of that, companies start to pull back.”
There is another scenario on the table that could save a significant chunk of the IRA, but it would come with its own nontrivial drawbacks.
Republican leaders in the Senate are trying to change the baseline against which all of these budget calculations are made. They argue that the tax cut extensions should be viewed as avoiding a tax increase, not enacting a new tax cut. By this logic, the extensions don’t cost anything, and $6.8 trillion in total tax cuts looks more like $2.8 trillion. That would give Republicans more room to increase spending on a range of other priorities, including defense and immigration enforcement, without having to make tough trade-offs.
This has never been done before, and to call it controversial would be an understatement. Deficit hawks on both sides of the aisle oppose the maneuver, calling it a “gimmick” and “magic math.” A recent Politico article declared that moving to a current policy baseline approach would “break the Senate, upend the federal budget process and explode the national debt.”
Before Republicans can move ahead, they need guidance from the Senate Parliamentarian, an advisor to the Senate tasked with interpreting the rules that govern the body. If the Parliamentarian doesn’t approve, the Senate is technically allowed to ignore or fire her. But this would create a new political firestorm.
Flint said that however this baseline debate plays out will tell us how much danger the IRA is facing. Brill had a slightly different perspective. He said he would expect Congress to set the topline budget resolution numbers lower if it moves ahead with this fuzzy math. But he agreed that assuming the IRA will be saved by its Republican beneficiaries fails to see the whole picture.
“They will be looking at the revenue consequences of changes, and they’ll be looking at the efficiency of these policies,” Brill said. “Are they operating as intended? Are they the size and scope and scale that seem reasonable and appropriate to lawmakers? I think they’re going to be thinking about this in a lot of different dimensions.”
While some oil and gas majors such as Exxon and Occidental have lobbied the Trump administration to keep at least some of the IRA in place, other fossil fuel industry players are trying to convince lawmakers that the clean energy tax credits do more harm than good. More than two dozen energy executives penned a letter to House and Senate leaders last week asking for a full repeal, arguing that the subsidies encourage “less efficient production,” raise costs for consumers, and increase the national debt.
But renewable energy researchers at the Rhodium Group and Energy Innovation published modeling last week making the opposite case. Rhodium found that rollbacks of power plant and vehicle emissions rules, combined with repeal of the IRA tax credits, would increase annual household energy costs by $111 to $184 in 2030, compared to keeping the law as it is. The modelers also found that energy spending throughout the industrial sector would increase by $8 billion to $14 billion from 2030 to 2035. Energy Innovation, which also modeled repeal of key tax credits, found this would lead to higher energy bills, as well as nearly 800,000 job losses in 2030.
Some D.C. figureheads are still bullish that full repeal of the IRA is unlikely. Xan Fishman, senior managing director of the energy program at the Bipartisan Policy Center, told Heatmap he’s heard the argument that Republicans’ magic math could help the IRA, but he’s not sure there’s much there, there. “I do think that there’s strong momentum for keeping the tax credits, and honestly, I think that’s true regardless of whatever budgetary baseline they use,” he said.
Earlier this month, 21 House Republicans came out in bold, public defense of the law. This likely does not reflect the level of support latent in the party, however. Fishman said that many of the tax credits in the law historically had bipartisan support, before the Inflation Reduction Act “painted them with a partisan brush.”
“I think at the end of the day, that is actually really relevant — the fact that so many members have co-sponsored or sponsored some version of these tax credits in the past,” Fishman said.
It’s too soon to judge whether Republican support for the IRA means anything, Josh Freed, senior vice president of the climate and energy program at Third Way, told Heatmap. “IRA is uncertain until the dust settles,” he said. “It is hard to know what trade-offs are going to be asked for by the authors and by different factions within the Republican caucus until decisions on whether there needs to be pay-fors, and how much, are made.”
The timeline for when the Republican caucus will make those decisions — and set the rules of the game — is hard to predict. In that talk hosted by the American Enterprise Institute, Congressman Smith said the plan was to get the final reconciliation bill on Trump’s desk before Memorial Day.
The agency provided a list to the Sierra Club, which in turn provided the list to Heatmap.
Officials at the Environmental Protection Agency remain closed-lipped about which grants they’ve canceled. Earlier this week, however, the office provided a written list to the Sierra Club in response to a Freedom of Information Act request, which begins to shed light on some of the agency’s actions.
The document shows 49 individual grants that were either “canceled” or prevented from being awarded from January 20 through March 7, which is the day the public information office conducted its search in response to the FOIA request. The grants’ total cumulative value is more than $230 million, although some $30 million appears to have already been paid out to recipients.
The numbers don’t quite line up with what the agency has said publicly. The EPA published three press releases between Trump’s inauguration and March 7, announcing that it had canceled a total of 42 grants and “saved” Americans roughly $227 million. In its first such announcement on February 14, the agency said it was canceling a $50 million grant to the Climate Justice Alliance, but the only grant to that organization on the FOIA spreadsheet is listed at $12 million. To make matters more confusing, there are only $185 million worth of EPA grant cuts listed on the Department of Government Efficiency’s website from the same time period. (Zeldin later announced more than 400 additional grant terminations on March 10.)
Nonetheless, the document gives a clearer picture of which grants Administrator Lee Zeldin has targeted. Nearly half of the canceled grants are related to environmental justice initiatives, which is not surprising, given the Trump administration’s directives to root out these types of programs. But nearly as many were funding research into lower-carbon construction materials and better product labeling to prevent greenwashing.
Here’s the full list of grants, by program:
A few more details and observations from this list:
In the original FOIA request, Sierra Club had asked for a lot more information, including communications between EPA and the grant recipients, and explanations for why the grants — which in many cases involved binding contracts between the government and recipients — were being terminated. In its response, EPA said it was still working on the rest of the request and expected to issue a complete response by April 12.