LA fires: Fast wildfires are more destructive and harder to contain

The causes of the wind-driven fires that burned thousands of homes in the Los Angeles area are under investigation, but there were no lightning strikes reported at the time.

Virginia Iglesias, Interim Earth Lab Director, University of Colorado Boulder • conversation
Jan. 13, 2025 ~8 min

Firefighting planes are dumping ocean water on the Los Angeles fires − why using saltwater is typically a last resort

In emergencies, dumping ocean water on fires may be the best option. But seawater can have long-term effects on equipment and ecosystems, as a novel coastal experiment shows.

Patrick Megonigal, Associate Director of Research, Smithsonian Environmental Research Center, Smithsonian Institution • conversation
Jan. 13, 2025 ~6 min


Wildfires can contaminate drinking water systems with harmful chemicals − here’s what Los Angeles needs to know

Fires can make drinking water, and the water pipes and tanks themselves, unsafe. A researcher who has worked with communities after several wildfires explains why, and what to do.

Andrew J. Whelton, Professor of Civil, Environmental and Ecological Engineering, Purdue University • conversation
Jan. 10, 2025 ~7 min

LA fires show the human cost of climate-driven ‘whiplash’ between wet and dry extremes

The heath-related impacts of climate change will reach US$1 trillion a year by 2050.

Doug Specht, Reader in Cultural Geography and Communication, University of Westminster • conversation
Jan. 10, 2025 ~6 min

Southern California is extremely dry, and that’s fueling fires − maps show just how dry

The state is seeing a sharp water divide this year, with lots of rain in the north while the south has stayed dry. A hydrologist explains what’s happening.

Ming Pan, Senior Research Hydrologist, University of California, San Diego • conversation
Jan. 9, 2025 ~4 min

Wildfire smoke inside homes can create health risks that linger for months − tips for cleaning and staying safe

The chemicals emitted when buildings and vehicles burn can find their way into nearby homes. Studies show the health risks can stick around.

Colleen E. Reid, Associate Professor of Geography, University of Colorado Boulder • conversation
Jan. 9, 2025 ~7 min

How Santa Ana winds fueled the deadly fires in Southern California

Where people live today also makes a difference when it comes to fire risk.

Jon Keeley, Research Ecologist, USGS; Adjunct Professor, University of California, Los Angeles • conversation
Jan. 9, 2025 ~7 min

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.

Colleen E. Reid, Associate Professor of Geography, University of Colorado Boulder • conversation
Dec. 23, 2024 ~8 min


3 years after the Marshall Fire: Wildfire smoke’s health risks can linger long-term in homes that escape burning

The fire burned more than 1,000 homes outside Boulder, Colorado, in 2021. A series of surveys shows residents’ continuing health concerns, and tips for how to deal with smoke-damaged homes.

Colleen E. Reid, Associate Professor of Geography, University of Colorado Boulder • conversation
Dec. 23, 2024 ~8 min

After wildfires, ranchers face 2-year delay to graze cattle on federal land – is it doing more harm than good?

That delay can tip ranchers’ finances into the red. While the land needs time to recover, studies raise questions about whether two years is really necessary.

Jared L. Talley, Assistant Professor of Environmental Studies, Boise State University • conversation
Dec. 16, 2024 ~8 min

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