Sign up today to volunteer at I Love A Clean San Diego's biggest event of the year: Coastal Cleanup Day. On Saturday, September 17 from 9am-12pm over 7,000 volunteers will be spending a few hours at 100 countywide location, including a number in North County. There are three cleanup locations along Buena Vista Creek in Oceanside. Visit their website to sign up. Buena Vista Creek Locations 1. Behind Kohl's store at College Boulevard and Marron Rd DIRECTIONS: Take I-5 to…