AI Article Synopsis

  • Wildfire risks to homes are rising, particularly in the wildland-urban interface (WUI), where vegetation and houses are close together.
  • More homes are being impacted by grassland and shrubland fires compared to forest fires, although forest fires are more destructive when they occur.
  • The number of houses in wildfire areas has doubled since the 1990s due to housing growth and increased burned areas, with significant growth in WUI housing noted in the 2010s.

Article Abstract

Wildfire risks to homes are increasing, especially in the wildland-urban interface (WUI), where wildland vegetation and houses are in close proximity. Notably, we found that more houses are exposed to and destroyed by grassland and shrubland fires than by forest fires in the United States. Destruction was more likely in forest fires, but they burned less WUI. The number of houses within wildfire perimeters has doubled since the 1990s because of both housing growth (47% of additionally exposed houses) and more burned area (53%). Most exposed houses were in the WUI, which grew substantially during the 2010s (2.6 million new WUI houses), albeit not as rapidly as before. Any WUI growth increases wildfire risk to houses though, and more fires increase the risk to existing WUI houses.

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Source
http://dx.doi.org/10.1126/science.ade9223DOI Listing

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