The Global Wealth Environmental Film Festival, presented by the PA Film Institute and billed as the largest film festival in Pennsylvania dealing with the environment, continues through Friday and April 7 to 10 at Slippery Rock University. Films will begin at 7:30 p.m. in the Advanced Technology auditorium. Featured films include: "Wind over Water," tonight; "King Corn," Monday; "Who Killed the Electric Car," Tuesday; "A Crude Awakening," Wednesday; and "What a Way to Go: Life at the End of Empire," April 10. Admission is free. Call 724-738-2030 or visit the Web site, www.pafilminstitute.com.

<B>"Snow Angels," </B>a story with a Butler setting written by former Pittsburgher Stewart O'Nan, will open at Cinemagic Squirrel Hill, 5824 Forward Ave., with show times starting on Friday. Call 412-421-7900.<B>Rangos Omnimax Theater</B> at the Carnegie Science Center, One Allegheny Ave. next to Heinz Field on the North Side, has newly opened "Pulse: A STOMP Odyssey," an exhibition of percussion from around the world. Also showing are "Dinosaurs Alive," "Sea Monsters," and "Wired to Win: Surviving the Tour de France," all three through June 12. Admission cost varies. Call 412-237-3400 for times.