September 15: Join the Aquarium of the Pacific in cleaning up Alamitos Beach in Long Beach as part of the statewide Coastal Clean-Up Day. Help protect our ocean and marine life by picking up trash. Gloves, bags, and a spirit of camaraderie will be provided. Please look for the Aquarium booth to check in and receive your cleaning supplies. No RSVP necessary. Saturday, 9 a.m. – noon. Free. Alamitos Beach, end of the peninsula at Ocean and 72nd.