Join MVSD to celebrate John Muir’s legacy of conservation and his love of nature at the John Muir Birthday/Earth Day Celebration on Saturday, April 26, 2025. Enjoy a day filled with music, food, and fun activities for the whole family. Stop by the MVSD booth to learn ways that you can help protect the environment and what MVSD does to keep our community safe.   You don’t want to miss this free celebration from 10am-4pm at the John Muir National Historical Site at 4202 Alhambra Avenue on Highway 4 in Martinez. We’ll see you there!