Mountain View Chamber of Commerce’s Celebration of Leaders Awards, 6 p.m. at the Computer History Museum. Information: chambermv.org.
St. Paddy’s Beer Stroll, 6-9 p.m. in downtown Los Altos. Information: downtownlosaltos.org.
57th annual Downtown Los Altos Easter Egg Hunt, 10 a.m. to noon. Information: downtownlosaltos.org.
Los Altos Hills Earth Day celebration, 1 p.m. at Westwind Community Barn. Information: losaltoshills.ca.gov.