Saturday - 4/11 - Great American Cleanup - Annual beach cleanup, part of a national effort to beautify the nation. Held throughout Palm Beach County including events at: Spanish River Park (1301 N. Ocean Blvd., Boca Raton, 544-8606); Red Reef Park (1400 N. State Road A1A, Boca Raton, 393-7974); South Beach Park (400 N. State Road A1A, Boca Raton); and Rutherford Park (600 NE 24th St., Boca Raton, 393-7815). South Inlet Park (1100 S. Ocean Blvd., Boca Raton, 667-2166); Cason Community Garden at Cason United Methodist Church (342 N. Swinton Ave., Delray Beach, 374-2434); Atlantic Dunes Park (1 block north of Linton Blvd. on A1A, Delray Beach, 954-553-4811); Arthur R. Marshall Loxahatchee National Wildlife Refuge (10216 Lee Road, Boynton Beach); Lake Worth Beach (315-1956) and Phipps Ocean Beach Park (2185 S. Ocean Blvd., Palm Beach, 627-5506). Start times between 8-9 am, depending on location. All ages. Pre-register (required) by contacting the phone listed for each site. Free. 544-8606 or visit keepPBCbeautiful.org.