Activities begin Feb. 28, 7 p.m., with the Crossroads Project presenting “Rising Tide,” a performance grounded in science and elevated by music and art. Location is Peery’s Egyptian Theater, 2415 Washington Blvd., Ogden. No registration is required. Free. Summit begins March 1 at Weber State University’s Shepherd Union Building, 3910 W. Campus Drive, Ogden, and features keynote presenter Naomi Oreskes, co-author of Merchants of Doubt and professor of the history of science at Harvard University; the Eco Expo Hall; the student poster contest and more than 20 sessions. March 2 features four workshops at the Shepherd Union Building covering climate communication and green building. Details are at https://www.intermountainsustainabilitysummit.com/.