Articles on US wildfires

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San Manuel, Calif., Assistant Fire Chief Ralph Tovar holds a young goat whose herd just spent a day eating brush and grass to reduce wildfire risk. Robyn Beck/AFP/Getty Images

Pyrograzing turns ordinary livestock into fire prevention heroes, so why isn’t it used on public lands more often?

Targeted grazing is gaining interest as fire risk rises, particularly in hard-to-manage areas of the Western US. But it isn’t always as simple as it seems.
Andrew Rowley watches a wildfire burning from a distance after evacuating his home in Spokane, Wash., on Aug. 1, 2026. AP Photo/Young Kwak

Why the Spokane wildfires became so catastrophic

Extreme fire conditions converged in suburban neighborhoods built into the forests, shrubland and grasslands and quickly spread.
A record-tying heat wave helped spread a wildfire in Northern California’s Shasta and Trinity counties in July 2018. Terray Sylvester/Getty Images

How heat waves increase wildfire risk

Heat waves do more than dry out vegetation that can easily burn. They also play a role in lightning strikes, particularly dry lightning.
Eaton fire survivors gather in Altadena, Calif., to talk about recovery six months after the LA fires. Sarah Reingewirtz/MediaNews Group/Los Angeles Daily News via Getty Images

LA fires showed how much neighborliness matters for wildfire safety

Managing fire risk is about more than regulations and rules. It’s also about caring for neighbors and taking steps on your own property and in your community to help keep neighbors safe.
The Marshall Fire spared some homes, shown here a day later, but smoke had blanketed the area. Andy Cross/MediaNews Group/The Denver Post via Getty Images

Wildfire smoke’s health risks can linger in homes that escape burning − as Colorado’s Marshall Fire survivors discovered

A series of surveys in the months and years after the devastating blaze near Boulder revealed continuing health concerns in surviving buildings, and tips for how to clean up smoke-damaged homes.
Wildland firefighting is physically and emotionally intense. The job is also essential for community safety. Neal Waters/Anadolu Agency via Getty Images

Wildland firefighters face a big pay cut if Congress doesn’t act − that’s taking a toll on a workforce already under stress

Firefighters work long hours to protect communities, often in dangerous conditions and for low starting pay. Surveys show the impact that can have on their physical and mental health.
Fine particulate matter from wildfires can cause long-term health harms. Gary Hershorn/Getty Images

How researchers measure wildfire smoke exposure doesn’t capture long‑term health effects − and hides racial disparities

Which is riskier for your health: a few days of very bad PM₂.₅ exposure or many more days of slightly bad exposure? Researchers developed new metrics to provide better answers.
Wildfire smoke is hard to avoid in California, even in urban neighborhoods. Paul Harris/Getty Images

Wildfire smoke is linked to thousands of premature deaths every year – here’s why and how to protect yourself

Breathing wildfire smoke can cut years off people’s lives. As fires become more frequent in a warming world, smoke is leading to a public health crisis, harming people far from the flames.

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