A new study has found that urban areas with higher incomes face a 30% greater risk of fire compared to lower-income neighborhoods. Researchers from the University of California, Riverside, analyzed data from 141 urban fires across the U.S. from 1984 to the present. They combined fire records with information about population, development, climate, and demographics. The study, published in the journal npj Urban Sustainability, shows that urban fires are not randomly spread out but tend to occur in suburban, high-income areas where homes are typically owned by residents rather than rented.
The research identified that fire risk in cities is more closely linked to short, intense drying periods in the six months before a fire, rather than long-term drought conditions. This suggests that city planners and officials should pay closer attention to moisture levels over three- to six-month periods when assessing fire risk, rather than focusing only on long-term climate trends.
The study also found that urban areas affected by fires often take a long time to recover. About 78% of severely burned areas did not return to their original temperature levels within five years, and 73% did not regain their previous level of greenery. However, higher-income neighborhoods tended to recover more quickly in terms of temperature and experienced less loss of vegetation. This points to differences in resources and recovery capabilities between different income levels.
Interestingly, the study found that nationally, neighborhoods with larger white populations had a lower risk of experiencing fires. But in drier regions like California and other parts of the western U.S., the pattern was reversed—white and Black communities had a higher chance of being exposed to fires. This suggests that local factors, such as land use and infrastructure, may play a larger role in fire risk than national trends.
The research also noted that the number of urban fires hasn’t necessarily increased over time, but the amount of urban land burned has grown, especially during particularly destructive fire seasons. The study emphasizes that urban fire risk can’t be understood solely through climate factors. Instead, it must take into account the social characteristics of the areas that burn, such as income levels, race, and the resources available to residents. Understanding these factors is crucial for developing effective strategies to manage and adapt to urban fire risks.
Urban Fire Risk and Recovery Vary by Income and Region, Study Finds
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Original sources:
- 🇺🇸Phys.org



