Contra Costa Air Quality

Earth Day is Sunday, April 22! We’ve pulled together a list of Earth Day celebrations in Contra Costa, happening Wednesday, April 18 through Friday, April 27.

If you see a 511cc logo transparent next to an event listing, it means 511 Contra Costa staff will have a table at the event. Say hello, pick up some 511CC swag & get info on bonuses for trying an alternative (and environmentally friendly) commute.

Click any link below for additional information

Earth Day Events

Wednesday, April 18

  • Antioch: Los Medanos College – Nature preserve plant sale, live animals, clubs & prizes. Outdoor Quad – 2700 E Leland Rd, Pittsburg 10:00am-1pm
  • Walnut Creek : Treat Towers Earth Day – 1255 Treat Blvd, Walnut Creek 11:30am-1pm

Thursday, April 19

  • Pleasant Hill 511cc logo transparent : Diablo Valley College Earth Day – Enjoy a free lunch from the DVC culinary department (Student Union lobby), live entertainment from the Drama & Music departments, and visit exhibits for your chance to win prizes. Commons @ DVC, 321 Golf Club Rd 10:30am-1:30pm

Saturday, April 21

  • Martinez 511cc logo transparent : John Muir Birthday–Earth Day Celebration – Free bike tune-ups from the Bay Area BikeMobile, meet “John Muir”, tour Muir’s 1882 Victorian home & orchards, enjoy live music and more. Free admission & free parking. John Muir National Historic Site 10am-4pm
  • Antioch: Keep Antioch Beautiful Day – Citywide cleanup. Various locations. 8:30am-11am
  • Clayton: Clayton Cleans Up – Community clean-up day; volunteers check in at Clayton City Hall. Various locations. 9am-12pm (Must complete registration form; for more info call the Pioneer at (925) 672-0500)
  • Danville: Danville Earth Day Celebration – Free & fun activities for the entire family on the Town green. Danville Library, 400 Front Street 11am-1pm
  • El Cerrito: El Cerrito Earth Day Celebration – A morning of volunteerism and work parties, followed by socializing at the Volunteer Appreciation Lunch. Various locations. 11am-3pm
  • Orinda: Orinda Action Day – A day of community service by residents & friends. Volunteers check in at the Orinda Library Plaza (26 Orinda Way). 9am-12pm

Sunday, April 22

Tuesday, April 24

  • Concord 511cc logo transparent : Visit the Be the Change event on the CSUEB Concord campus to pick up some 511CC swag, meet some wild critters (courtesy of the Mt. Diablo Interpretive Association), learn about sustainability & more! Concord Campus Quad – 4700 Ygnacio Valley Rd, Concord 10am-2pm
  • Walnut Creek 511cc logo transparent : A day of ecologically oriented fun including a recycling contest! Main Courtyard, Kaiser Permanente Medical Center – Walnut Creek, 1425 S Main St

Monday, April 23 – Friday, April 27: Cal State East Bay Earth Week

  • Concord & Other CSUEB Campuses: Earth Week is free & open to the public, with events including talks, tree planting days, free lunch (bring your own utensils), a scavenger hunt & more. Check the schedule for times & locations.