Wildfire Content

Researchers Find Carcinogenic Chromium-6 in Palisades, Altadena Fire Cleanup Zones

Katherine E Kerlin — June 01, 2026 - 9:52am

A carcinogen with potentially serious impacts on human health was found in neighborhoods in the months after the 2025 Los Angeles County wildfires and may have spread to communities as far as six to nine miles downwind from the fire zones, according to newly published work by University of California researchers.

Wildfire-Driven Deforestation Rates in California Among Highest in World

Katherine E Kerlin — April 22, 2026 - 9:00am

California has one of the highest rates of wildfire-driven deforestation in the world, and the trend has accelerated over the past three decades, according to a 51�ԹϺ�� Davis study.

What Does A Record-Breaking Wildfire Season Mean For Life in Alpine Lakes?

Katherine E Kerlin — April 21, 2026 - 10:39am

In the summer of 2020, MJ Farruggia embarked on the first field season of her PhD research. With a backpack full of scientific equipment and camping gear, she hiked high into the Emerald Lake Watershed high in the Sierra Nevada Mountains to install environmental sensors and collect water samples from six small lakes and ponds.

Finding that Ripe Cone Sweet Spot: Looking Back to Help the Future

Katherine E Kerlin — January 21, 2026 - 10:15am

California’s wildfire seasons are becoming more intense, and the state’s public bank of seeds to help replant and reforest lands after blazes is understocked by thousands of pounds.

A new research project out of University of California, Davis, aims to help solve that problem by using decades of data from historical cone collection records to model when cones in coniferous trees from wild stands will ripen.

LA Fires: Chemicals From the Smoke Lingered Inside Homes Long After the Wildfires Were Out

Katherine E Kerlin — January 06, 2026 - 12:16pm

When wildfires began racing through the Los Angeles area on Jan. 7, 2025, the scope of the disaster caught residents by surprise. Forecasters had warned about high winds and exceptionally dry conditions, but few people expected to see smoke and fires for weeks in one of America’s largest metro areas.

Lessons from the Caldor Fire’s Christmas Valley ‘Miracle’

Katherine E Kerlin — December 19, 2025 - 9:00am

The Lake Tahoe communities of Christmas Valley and Meyers were spared during 2021's Caldor Fire. A 51�ԹϺ�� Davis study reveals which pre-fire fuel treatments worked best to bring about the Christmas Valley "miracle."

Chromium-6, Nanosilver Detected in LA Fire Cleanup Zones

Katherine E Kerlin — August 27, 2025 - 9:53am

Air quality scientists have detected elevated levels of hexavalent chromium and silver in air samples collected from the debris cleanup zones for the Eaton and Palisades wildfires, which occurred January 2025 in Los Angeles County.

UPDATE: The peer-reviewed study was published May 13, 2026. Read it at Nature - Communications Earth & Environment

Burning Question: How to Save an Old-Growth Forest in Tahoe

Katherine E Kerlin — March 03, 2025 - 9:02am

On the shores of Lake Tahoe at Emerald Bay State Park grows what some consider to be the most iconic old-growth forest in the Lake Tahoe Basin. Giant ponderosa pines — some of the last remaining in the area — share space with at least 13 other tree species.

LA Wildfires Air Quality Research Roundup

Katherine E Kerlin — February 07, 2025 - 10:49am

How 51�ԹϺ�� Davis air quality scientists are working to understand the impacts of the Los Angeles wildfires. A research roundup.

Wildfire, Smoke and Air Quality Experts

Katherine E Kerlin — January 15, 2025 - 6:30am

A 51�ԹϺ�� Davis wildfire, smoke and air quality experts list for media, updated for 2024.