As global temperatures rise and polar ice caps melt, sea levels are climbing at an alarming rate, threatening to submerge coastal cities and displace millions of people. Architects and urban planners are now racing to develop innovative, floating solutions to adapt to this changing world, from modular homes to entire floating cities. While these projects offer a glimpse into a potential future where humanity lives on the water, they also highlight the urgent need for global action to address the root causes of climate change before it is too late.