Phoenix, Arizona proactively coated 36 miles of roads in 2020 with a reflective material aimed at combating extreme heat. The treatment successfully lowered asphalt temperatures by 12°F at noon, addressing the urban heat island effect. However, a new study reveals the coating inadvertently increased heat radiation for nearby pedestrians. Researchers found that while roads cooled, people standing close by experienced intensified heat exposure. The findings emphasize that reflective surfaces alone are insufficient for creating comfortable urban spaces. Experts urge cities to combine cooling technologies with shade solutions like trees and building designs for comprehensive heat mitigation strategies, prioritizing pedestrian wellbeing alongside surface temperature reduction.