Wildfires in Western U.S. Play a Role in Global Warming, Research Shows

By Carole Tanzer Miller HealthDay ReporterSATURDAY, Sept. 27, 2025 (HealthDay News) — Wildfires are an increasingly common feature of life in American West, and researchers are working overtime to understand how the resulting smoke affects air quality, human health and climate change.

“Wildfires do not emit ozone directly,” Jan Mandel, a professor emeritus of mathematics at University of Colorado Denver, said in a news release. “Wildfire smoke contains chemical compounds that react with sunlight to produce ozone, often far from the fire itself.”

In turn, that added ozone fuels global warming…

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