The University of Arizona and Tucson are known for yearlong warm weather, but when is it too much? With temperature reaching record highs in March, the city of Tucson has already reported increased temperatures for this year.
In the wake of the third annual Southern Arizona Heat Summit, integrating voices throughout the City of Tucson, community stakeholders and experts from UA gather to speak about possible solutions and policies to address rising temperatures and extreme heat.
The summit strives to ensure that the lived experiences of Southern Arizona residents are voiced. The first summit commenced in 2024, in response to the declaration of an extreme heat emergency in Arizona by Gov. Katie Hobbs, as part of a larger plan called Arizona’s Extreme Heat Response Plan.
With representation from organizations such as the American Red Cross, the National Council for Occupational Safety and Health, Arizona Jobs with Justice, Tucson Indian Center and many more, the summit emphasized the importance of the perspective and concerns of stakeholder groups throughout the community.
The summit included a variety of UA experts, including faculty representing the School of Geography, Development and Environment; the Udall Center for Studies in Public Policy; the Mel & Enid Zuckerman College of Public Health and the College of Architecture, Planning and Landscape Architecture.
One particular project, led by Ladd Keith at the School of Landscape Architecture and Planning, is a part of the Southwest Urban Corridor Integrated Field Laboratory, which is funded by the United States’ Department of Energy to explore extreme heat throughout Arizona. SW-IFL works in collaboration with other national laboratories including those at ASU and NAU.
The team works to analyze extreme heat in the southwest and rural areas, and how communities deal with heat by conducting interviews. The team has also prescribed policy to Pima County and the City of Tucson regarding more effective strategies to combat rising temperatures, such as green stormwater infrastructure.
Anne-Lise Boyer, a post-doctoral researcher with the Climate Assessment for the Southwest, shared that the team particularly analyzed extreme heat in three parts: heat mitigation, heat management and heat governance.
Mitigation deals with prevention through strategies such as green infrastructure and planting trees, while management includes cooling sensors and heat warning systems. Governance allows these measures to be enacted through policy.
In Tucson, some of the most meaningful work the team has engaged in has been drafting the City of Tucson’s Heat Action Roadmap in 2024, which outlines goals to mitigate and mandate extreme heat and its impacts while prioritizing community voices.
The goals of the roadmap include informing and educating citizens of Tucson on the adverse effects of extreme heat and cooling people’s homes and neighborhoods by incorporating heat risk in regional planning. These steps are essential to practicing heat management, especially as the city of Tucson grows.
“I think the most interesting thing about being based in Tucson is that because the heat has been here for a long time, it’s like a laboratory in itself,” Boyer said. “We have all this research and all this collaboration happening with local actors because it’s a pressing issue in Arizona.”
As the annual heat summit recurs, new ideas and perspectives continue to be shared throughout the community. Boyer shared that this year, the Southern Arizona Heat Summit focused on the youth perspective, highlighting middle school and high school students and how heat impacts their everyday lives. Many students spoke about how heat shaped their lives at home, school and sports.
“That’s one of the goals, to have community members participate and give their input in how they wish the city will deal with the heat,” Boyer said.
Boyer and Kirsten Lake, a program coordinator for the SW-IFL team, also shared how the impacts of extreme heat impact some neighborhoods and communities in Tucson more than others, and that their research often evaluates these factors to determine where heat management efforts would make the greatest impact.
“Its important when you’re putting into effect some of these measures, that you make sure you put it where it’s going to make the biggest difference,” Lake said.
The work of the SW-IFL team is not just locally known. The Brookhaven National Lab based in New York deployed a specialized truck to Tucson to collect information on the atmosphere and rising temperatures. The SW-IFL team hosted the Brookhaven team.
Additionally, Keith’s work has led to a guidebook called “Planning for Urban Heat Resilience” which focuses on the adverse effects extreme heat poses to marginalized communities across the country.
“It is so different from place to place and neighborhood to neighborhood because you have to take the whole context into account,” Boyer said. “They recommend first to document the heat impacts in your communities.”
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