In this collection of interviews, with an introduction by former New York City Mayor Michael Bloomberg, twenty mayors from five continents share their strategies for tackling global challenges at the local level. During a period dominated by racial unrest, the Covid pandemic, and the increasingly vivid impact of the climate crisis, these enterprising leaders have made their cities more healthy, functional, fiscally sound, and sustainable places to live and work. Mayor's Desk argues that local governments are the real engines of global change. Packed with full-color photography, it will inspire, educate, and surprise all who strive to influence the evolution of their cities.