California Academy of Sciences
institution, San Francisco, California, United States
Also known as: CAS
California Academy of Sciences (CAS), in San Francisco, oldest scientific institution in the western United States (incorporated 1853). The academy is situated in Golden Gate Park. Since the buildingās redesign (completed 2008) by the Italian architect Renzo Piano, it includes a number of museums under one roofāthe Living Roof, covered with native California plants and complete with hillocks that echo the cityās landscape. The roof was designed to aid in cooling the building naturally during...