Earth Day Litter Cleanup April 16 from 8 a.m. - 11 a.m. at Alvarez Ninth Street Park Looking for ways to give back to your community? Sign up for Earth Day Litter Cleanup event. This event is co-hosted by the City of Benicia and Benicia Litter Pickers. Supplies will be provided. For more information, please email firstname.lastname@example.org.