In April, RECORD steps inside a quintet of interiors, all uniquely complex and all designed to accommodate diverse—and discerning—users: Manhattan office workers, art students, space tourists, Chicago skyscraper dwellers, and San Francisco-based employees of the world’s largest architecture firm. The projects featured in the special Sustainability in Practice section, which examines technology, policies, and materials paving the way for a cleaner future, are no less impressive: an energy research hub, a NASA communications lab, and a 53-story tower in Boston. Also in the issue we talk with 2024’s Pritzker Prize laureate, Riken Yamamoto, and with AIA Gold Medalists David Lake and Ted Flato.