Mayors of Phoenix, Paris, and Milan Collaborate on Urban Heat Crisis Strategies
The mayors of Phoenix, Paris, and Milan are collaborating to address the escalating urban heat crisis, sharing strategies to protect residents from extreme temperatures. This collaboration emerged during a heatwave in London, where mayors compared their cities' approaches to preparing for extreme heat, protecting vulnerable residents, communicating risk, and redesigning urban environments. For Phoenix, managing extreme heat has been a long-standing challenge, leading to the establishment of one of the world's first city offices dedicated to heat response and mitigation. This office focuses on immediate relief and long-term resilience through cooling solutions, such as requiring 75% shade coverage in new developments and applying cool surface treatments to buildings and roadways. Paris and Milan, historically designed for different climates, are now adapting by creating 'cool spots' within a seven-minute walk for every resident, extending park hours, and mobilizing climate volunteers. Milan is also expandin... 
