As a global city, New York City has become a leader in studying, planning for, and implementing solutions in response to various aspects of extreme climate change. In a time of ever-increasing sea-level rise, projects conceived to protect New York City and the entire metropolitan area can range from small-scale, local solutions to large-scale, multi-jurisdictional projects that can be measured in billions of dollars. What are the best mitigation and adaptation strategies? How can we protect our people, cities, communities,…