Professor of Chemical and Biochemical Engineering, University of Iowa
Dozens of wildfires are burning across Canada in May 2024 and sending unhealthy smoke blowing into the northern U.S. again. At the same time, the southeastern U.S. is getting smoke from Mexico, where drought conditions have been fueling fires.
Global warming means more firesHotter, drier conditions, coupled with dry grasses and underbrush that accumulated over decades of fire suppression, have made large wildfires more common. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.Computer simulations of the future in a warming climate show there will be more smoky days, higher smoke concentrations, larger burned areas and higher carbon emissions from the fires — which further fuel climate change.
Inhaling the particulate matter and the chemicals in wildfire smoke can exacerbate asthma, worsen existing respiratory and cardiac problems and leave people more susceptible to respiratory infection. People caring for individuals sensitive to smoke, such as young children and older adults, will need to plan for their needs in particular.
Building managers may need to rethink air filtration and ventilation and deploy air quality sensors. Communities will also need contingency plans for festivals and recreation venues, as well as rules for business to protect outdoor workers.
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