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Climate change plays a significant role in increasing the frequency and intensity of forest fires, which contributes to a growing number of deaths related to fine particle pollution generated by these fires, according to a recent study published in Nature Climate Change.
The researchers used computer models to compare historical reality with a hypothetical scenario in which climate change had not existed. According to the study, the impact of climate change on mortality caused by vegetation fires has become evident since the 1960s and has increased significantly in recent decades. "The effects of climate change on mortality associated with vegetation fires have been evident for 60 years and are continuously increasing," the study authors summarized. Models suggest that climate change was responsible for more than 10,000 deaths from pollution from wildfires in the 2010s, compared with fewer than 1,000 deaths in the 1960s. Although estimates vary, the overall trend shows a clear increase. The strongest impact has been in regions such as South America, southern Australia and Europe, where decreased humidity has favored more intense fires. In contrast, in regions such as South Asia, mortality associated with wildfires has decreased due to increased humidity. This study highlights the clear link between climate change and the negative health impacts of fire pollution, providing a warning about the need for urgent action to reduce the effects of climate change on global health.
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