Events

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Saturday, April 18, 2026 (7)

Apr 18, 2026
April 11, 2026
Saturday

  • Earth Day Clean-Up Events

  • Apr 11, 2026 to May 9, 2026
  • Location: Various East Bay locations
  • Description:

    Join the Contra Costa Resource Conservation District for a series of clean-up events throughout the county. Each event has separate registration and time details. Clean-up parties are organized in:

    • Concord
    • Martinez
    • Brentwood/Antioch
    • Rodeo
    • Crockett
    • P
  • Created by: Sustainable Contra Costa
 

  • Great Tomato Plant Sale

  • Apr 11, 2026 to Apr 22, 2026
  • Location: Demonstration gardens in Walnut Creek & Antioch
  • Description:

    The tomato plant sale is back! The Contra Costa Master Gardeners will have many varieties of seedlings for you to take home and grow.

    • 70+ varieties of tomatoes, plus peppers, eggplants, squash and more
    • All plants are $4.00
    • All sales are Visa, Master
  • Created by: Sustainable Contra Costa
April 18, 2026
Saturday

  • Earth Month Guided Facility Tour

  • Apr 18, 2026 from 8:00am to 10:00am
  • Location: Mt. Diablo Recycling
  • Description:

    During this guided Earth Month tour, you’ll go behind the scenes at Mt. Diablo Resource Recovery and gain rare access to areas most people never see. See firsthand how we collect and process materials, and maximize recycling while minimizing landfill

  • Created by: Sustainable Contra Costa
 

  • Concord Earth Day 2026

  • Apr 18, 2026 at 9:00am to Apr 25, 2026 at 12:00pm
  • Location: Various Concord locations
  • Description:

    Join the City of Concord in celebrating Earth Day this April by giving back to our local environment. A series of hands-on volunteer events will take place across the city, offering residents a chance to support parks, plant trees, and help care fo

  • Created by: Sustainable Contra Costa
 

  • Keep Antioch Beautiful

  • Apr 18, 2026 from 9:00am to 12:00pm
  • Location: Various Antioch locations
  • Description:

    From Earth Day to Arbor Day, let's work together to build a stronger, cleaner, more beautiful Antioch! Starting Earth Day, join us as we begin our service to the community. Gather friends and family to brainstorm a beautification project for your hom

  • Created by: Sustainable Contra Costa
 

  • John Muir Birthday­–Earth Day

  • Apr 18, 2026 from 10:00am to 4:00pm
  • Location: John Muir National Historic Site, Martinez
  • Description:

    Celebrating John Muir’s 188th birthday, the 56th Anniversary of Earth Day and the National Park Service Centennial, plus the 71st Anniversary of the John Muir Association

    Live music, historic re-enactments, dozens of exhibitors.

    Admission and parking

  • Created by: Sustainable Contra Costa