Sun Reserve redefines the role brands play in addressing global challenges by preserving nature and the natural experience itself. Corona took over the airspace rights above a beachfront lot, in an area overshadowed by buildings, to prevent future constructions from blocking sunlight. By using an overlooked real estate law to protect sunlight, a resource central to the brand's identity, we transformed this airspace into the world’s first Sun Reserve, sparking systemic change. This idea blends environmental advocacy, creative legislation, and experience innovation, showcasing scalable global potential with a legal playbook to share with everyone that wants to help protect sunlight.