The Urban Heat Island: How Hot Is Too Hot


The impacts of the Urban Heat Island (UHI) are ubiquitous in our hot city and in urban areas across the globe, adding upwards of 22 degrees F to the daytime temperature. Worse, UHI also increases nighttime temperatures, which in Tucson are the saving grace of our triple-digit summer days. In his in-depth presentation “Planning for Extreme Heat,” Dr. Ladd Keith of the University of Arizona’s School of Architecture — whose primary research focus is the intersection between climate change and urban planning — presents the problems and the solutions. He also cautions that very little has been done to address UHI, particularly where solutions are most needed: in our disadvantaged neighborhoods.


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