Cities across the United States can adopt strategies similar to those in Phoenix, Arizona, to combat the growing threat of heat-related deaths, according to experts. Phoenix and Maricopa County have successfully reduced heat-related fatalities despite experiencing some of the nation's highest temperatures.
One crucial element identified is the appointment of a dedicated heat officer. Ladd Keith, director of the Heat Resilience Initiative at the University of Arizona, emphasized the importance of assigning responsibility for heat mitigation. "It's incredibly important to make someone responsible for heat because the problem is, if it's no one's responsibility, then no one will address it," Keith stated. This designated role can oversee initiatives and improve communication among various government offices.
The coordination facilitated by such a role can lead to the establishment of resources like cooling centers in areas not accustomed to extreme heat. However, experts caution that this requires a broad acknowledgment of the severity of heat as a non-temporary issue.
Human-induced climate change is increasing the frequency, intensity, and duration of heatwaves globally. The world has already warmed by over 1.1 degrees Celsius since the industrial era, and temperatures are projected to continue rising even with significant emissions cuts. Experts also highlight that extreme heat is not solely a health concern but also impacts infrastructure and the economy. Marlon, an expert cited in the notes, warned of continued issues such as buckling roads and delayed flights due to extreme heat.
Keith stressed the need for a fundamental shift in planning. "We have to shift away from planning for the historic heat we've experienced and start to plan for the heat we're going to experience in the next five to 10 years," he advised. He added that records are likely to be broken annually worldwide, indicating that current heat conditions are only a precursor to hotter, longer heat seasons. This persistent and escalating nature of extreme heat necessitates proactive and adaptive strategies from urban planners and policymakers.
Marlon also noted that facilities like cooling centers can be established in parts of the U.S. not typically accustomed to such conditions, but this relies on a widespread understanding of heat's seriousness and its enduring nature. The approach advocated by Phoenix involves making heat a recognized public health, infrastructure, and economic priority, ensuring that resources and planning address its multifaceted impacts.