Earth Day Marin
A family-friendly event and day of action with exhibits, speakers and entertainment addressing sustainability solutions, drought, climate change and environmental challenges. 11 a.m.-5 p.m. April 6. Free. Redwood High, 395 Doherty Drive, Larkspur. www.earthdaymarin.org.
Greek Independence Day Run/Walk
10k/5k run and 5k walk around Lake Merritt along foot paths and sidewalks. 7:30 a.m. registration; 8:50 a.m. race. Saturday. $ 5-$ 30. Sailboat House at Lakeside Park, Lake Merritt, 568 Bellevue Ave., Oakland. http://run.pahh.com.
Introduction to Summer Dry Plants
A class on plants that are drought-tolerant and how to set up a successful summer dry garden with Kathy Echols of Diablo Valley College. A selection of plants will be available for purchase after the class. 10:30 a.m.-noon. Saturday. $ 12-$ 20. Ruth Bancroft Garden, 1500 Bancroft Road, Walnut Creek. (925) 210-9663. www.ruthbancroftgarden.org.
Long-Term Care
Michael C. Hettenbach, a long-term care product specialist with New York Life, discusses the importance of long-term care in retirement planning, business planning and estate planning. 7-8:30 p.m. Tuesday. Free. Fremont Main Library, 2400 Stevenson Blvd., Fremont. (510) 745-1401. www.aclibrary.org.
Polo Field 5k
A casual 5k run through Golden Gate Park. 9 a.m. Sunday. $ 3-$ 5. Chain of Lakes Drive near JFK Drive, Golden Gate Park, S.F. www.dserunners.com.
In Their Shoes: A Walking Tour of the East Bay’s Briones Park
A walk with California Historical Society Archivist Marie Silva in partnership with the John Muir Laws Nature Club. 10 a.m.-4 p.m. Sunday. Free. Briones Regional Park, Martinez. www.californiahistoricalsociety.com.
Nature and Nurture
Two naturalist events in one day. “Kindred Spirits: Photographs From Our Extended Family Album,” 10 a.m.-noon; “Congo Wildlife Adventure,” 2-4 p.m. Saturday. Free. Dougherty Station Library, 17017 Bollinger Canyon Road, San Ramon. (925) 973-3380. www.ccclib.org.
Tai Chi & Qi Gong Workshop
Dr. Bradly Jacobs discusses how these ancient Chinese teachings can have profound and positive effects on health. He also demonstrates eight valuable movements to improve health and sense of well-being. 6:30-7:30 p.m. April 1. Free. Healing Arts Center and Spa, Cavallo Point Lodge, 601 Murray Circle, Sausalito. (415) 339-2692. www.cavallopoint.com/drbrad.
Untangling the KNOTS: Poverty, Vulnerability and Illegality
A forum featuring Alameda Country District Attorney Nancy O’Malley and UC Berkeley lecturer Laura Fantone. 6 p.m. Wednesday. $ 10-$ 15. Alameda County Family Justice Center, 470 27th St., Oakland. (510) 717-5204. wwwunausaeastbay.org.
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