Earth Day comes once a year, but rest assured that environmentally-friendly design—whether it’d be off-grid prefabs or totally sustainably-powered Apple data centers—is a ceaseless effort. What makes a top-notch sustainable building nowadays? Just take a look at this year’s top ten green projects awarded by the American Institute of Architects and its Committee on the Environment. These buildings, which range from housing and office spaces to research facilities and medical centers, prioritize strategies like optimizing stormwater management, daylighting, and natural ventilation, while increasing access to public transit, walking, and biking paths. Read more here.