Research Database
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Increasing global human exposure to wildland fires despite declining burned area
Year: 2025
Although half of Earth’s population resides in the wildland-urban interface, human exposure to wildland fires remains unquantified. We show that the population directly exposed to wildland fires increased 40% globally from 2002 to 2021 despite a 26% decline in burned area. Increased exposure was mainly driven by enhanced colocation of wildland fires and human settlements, doubling the exposure per unit burned area. We show that population dynamics accounted for 25% of the 440 million human exposures to wildland fires. Although wildfire disasters in North America, Europe, and Oceania have…
Publication Type: Journal Article
Outcome efficacy and responsibility as correlates of household wildfire adaptation action in Boulder, CO
Year: 2025
Growing wildfire risks are increasing losses and damages to wildland-urban interface households in the American West. In Colorado, the December 2021 Marshall Fire destroyed over 1000 suburban homes and became the most destructive fire in the state's history and the 10th costliest in US history. Fortunately, homeowner adaptation action can play a significant role in preventing structural damage or loss that can come from a wildfire. Yet, action is more effective when coordinated across a community, since the nature of wildfire as a hazard means that one homeowner's wildfire risk is informed…
Publication Type: Journal Article
Impact of Thinning Strategy, Surface Fuel Loading and Burning Conditions on Fuel Treatment Efficacy in Ponderosa Pine Dominated Forests of the Southern Rocky Mountains
Year: 2025
Managers across the western US seek effective fuel treatment strategies to mitigate hazardous fuel loads and risks of high severity fire in dry conifer forests. Conventional fuel hazard reduction treatments emphasis reducing canopy fuel continuity and surface fuel loading using an even spaced, thin-from-below approach, with pile or broadcast burning of residual surface fuels. Such treatments often result in forest structures that differ from the historical conditions. Ecological restoration treatments emphasize enhancing structural heterogeneity but may produce less fire-resistant stands…
Publication Type: Journal Article