•Earth Day clean-up: Negro Bar State Park Day Use Area
•Family Bike Trail Ride: 10:30-11:30 AM, Trail Head—far NW corner of Lake Natoma Inn parking lot: 702 Gold Lake Drive
•BBQ and Presentation by world-renowned Butterfly expert, Art Shapiro, 12:00 Noon, Negro Bar State Park Day Use Area: just west of Greenback and Folsom/Auburn Road intersection, http://www.daviswiki.../Arthur_Shapiro Butterfly Festival of Arts and Science info: www.foothillfriday.com under Festivals