ALAMEDA

Earth Day Festival -- Learn about building a clean, healthy, sustainable world 10 a.m. to 3 p.m. April 26 at Washington Park, 740 Central Ave. Earth Day games, exhibits, farmers market stands and youth activities led by Scouts from Alameda troops; free. For more information, call 510-747-7529.

ALBANY

Earth Day -- Celebrate Earth Day by picking up trash and cleaning up Albany Waterfront 9 a.m. to noon p.m. April 19, at the foot of Buchanan Street. Bring buckets if you have them and reusable water bottle, and wear comfortable clothing, sturdy closed-toe shoes and gloves. Children must be accompanied by an adult. To RSVP for your group, email Vanessa@thewatershedproject.org; same day walk-ins are welcome.

BERKELEY

Berkeley Vegan Earth Day -- Fast and healthy cooking demos, ways to transform your backyard into a vegan paradise, cancer prevention foods, artisan vegan body care products, tips on eating plant-based on a budget, featured speakers, film screenings and more, 10 a.m. to 4 p.m. April 19 at the Ed Roberts Campus, 3075 Adeline St., Berkeley; $15. For more information, go to www.BerkeleyVeganEarthDay.com.

CASTRO VALLEY

Castro Valley Creek -- Debris and litter removal, invasive plant removal, trail maintenance and clean up of surrounding streets April 26 at CVS Pharmacy's parking lot, 3667 Castro Valley Blvd. Do not park in KFC parking lot. Registration at 8:30 a.m.

Downtown Castro Valley -- Litter removal and leaf raking in the BART parking lot and on surrounding streets April 26; meet at Alameda County Supervisor Nate Miley's office, 20993 Redwood Rd. Registration at 8:30 a.m.

Recycling -- A recycle and compost event will be held 8 a.m. to 2 p.m. April 26 at Canyon Middle School lower parking lot, 19600 Cull Canyon.

Volunteer to Clean up Castro Valley -- Walk-in volunteers will be accepted at locations that still have space available to beautify and clean up Castro Valley 9 a.m. to noon April 26.

For more information about the sites or to sign up, go to www.cvsan.org/ED.

Or contact Anna Gee at 510-891-5585.

EL CERRITO

Earth Day Celebration -- Invasive plant removal at Baxter Creek and Hillside Nature area, picking up litter along the Ohlone Greenway, tidying parks and planting street trees from 9 a.m. to noon April 26. For more information, call 510-215-4350.

EMERYVILLE

Earth Day in Action -- Emeryville's Shoreline Cleanup 9 a.m. to noon, April 19 at Shorebird Park; brief training by the fire department, then head down to the beach.

Big Daddy's Community Garden compost giveaway -- The garden will be open to the public and free compost will be given away 9 a.m. to 3 p.m. April 19 at 3601 Peralta St.

Organic Community Garden -- There will be free compost and free composting demonstrations 9 a.m. to noon April 19 at 59th St. and Doyle St.

To volunteer for an Emeryville event, contact Roselle Loudon at rloudon@Emeryville.org or 510-596-4353. For more information, go to www.ci.emeryville.ca.us.

FREMONT

Go Green Together -- Meet with eco-friendly experts and learn new ways to go green, kids activities, eco-tainment, face painting, games, Earth Day art, healthy eating and lots more, presented by Washington Hospital and city of Fremont 11 a.m. to 3 p.m. April 26 at Conrad E. Anderson, M.D. Auditorium, 2500 Mowry Ave. (Washington West). Also, free residential drop-off and disposal of unused, unwanted medications (including syringes and needles in approved containers). For more information, go to www.whhs.com/green.

HAYWARD

Keep Hayward Clean and Green -- Litter clean up and graffiti removal 8:30 a.m. to noon April 26. Meet at former John Muir Elementary School, 24823 Soto Rd. For more information, go to www.hayward-ca.gov/khcg and click on "Monthly Cleanup Event Flyer."

OAKLAND

Party for the Planet -- Oakland Zoo will host one of the largest Earth Day celebrations in the East Bay, 10 a.m. to 3 p.m. April 19. There will be tours of over 60 interactive Earth Stations throughout the zoo, live animal presentations, entertainment and more. All ages are welcome for a day of fun, learning and inspiration. Earth Day is included with regular zoo admission ($11.75 for children/seniors; $15.75 for adults; parking $8). Recycle a used ink cartridge or cell phone and receive a free train ride. Oakland Zoo is at 9777 Golf Links Rd. For more information, go www.oaklandzoo.org.

City of Oakland -- There are several sites and meeting locations for Oakland Earth Day 9 a.m. to noon April 26, rain or shine. For a complete list of registered Earth Day sites and an interactive site map, go to oaklandearthday.org, or call the Oakland Public Works events hotline at 510-238-7611. The city of Oakland Adopt a Spot Program supports volunteerism yearround. For more information, call volunteer coordinator, 510-238-7630.

Here are a few sites:

  • Arroyo Viejo Park, Arroyo Viejo Recreation Center, 7701 Krause Ave.

  • Cesar Chavez Park, 3705 Foothill Blvd.

  • DeFremery Park, DeFremery House, 1615 Adeline St.

  • Dimond Park, Dimond Recreation Center, 3860 Hanly Road.

  • East Oakland Boxing Association, 816 98th Ave.

  • FROG Park/ Rockridge-Temescal Greenbelt and Creek; check-in at Hardy Park kiosk, at the end of Hardy Circle, or Cavour St. and Redondo Way

  • Lake Merritt Sailboat House, 568 Bellevue Ave.

  • Morcom Rose Garden, 700 Jean St.