Members can post events to the calendar! Just sign in and click "Add Event." Watch a video tutorial here. If you'd like to join, click "Sign up" in the upper right corner.

Events Created By (10)

Date range
May 9, 2026
Saturday
  • Ridge-to-Ridge Challenge

  • May 9, 2026 from 9:00am to 1:00pm
  • Location: Walnut Creek Open Space, Shell Ridge
  • Description:

    The Ridge-to-Ridge Challenge is an annual fundraiser supporting Sustainable Contra Costa and its youth program, Sustainable Leaders in Action (SLIA). Each year, high school and college students collaborate to raise awareness about climate issues and

  • Created by: Sustainable Contra Costa
 
  • Bioregional Regeneration Bay Delta unConference

  • May 9, 2026 from 9:00am to 5:00pm
  • Location: Oakstop, 2323 Broadway, Oakland
  • Description:

    This is the 4th Bay Delta Bioregional Regeneration Unconference. Each gathering has deepened our network and sparked new collaborations across the region - and we keep coming back because something real happens in these rooms.

    At previous unconferenc

  • Created by: Sustainable Contra Costa
May 16, 2026
Saturday
  • Repair Workshop - Concord

  • May 16, 2026 from 10:30am to 1:30pm
  • Location: Willow Pass Community Center, 2748 E Olivera Rd, Concord, CA 94519
  • Description:

    Get a well-loved item fixed free!

    Repair coaches will be on hand to help with broken items such as

    • Jewelry         
    • Electronics             
    • Toys         
    • Lamps
    • Clothing           
    • Small Household items     
    • Bicycles

    Contact: Ozge@sustainablecoco.

  • Created by: Ozge Altunsoy
June 6, 2026
Saturday
  • East Bay Public Gardens Open House

  • Jun 6, 2026 from 10:00am to 1:00pm
  • Location: Various East Bay Gardens
  • Description:

    Discover the beauty and benefits of water‑wise gardening! Visit a nearby participating garden for expert tips, tours, and resources. Learn about attracting pollinators, blooming native plants, growing food, large and small garden designs, building he

  • Created by: Sustainable Contra Costa
June 7, 2026
Sunday
  • Naturalist Michael Marchiano- Butterflies

  • Jun 7, 2026 from 1:00pm to 2:00pm
  • Location: Rodgers Ranch Heritage Center, Pleasant Hill
  • Description:

    Our county has over 75 species of butterflies that can be found throughout the year. Join naturalist Michael Marchiano for a lecture and presentation showing photos of over 60 of them. Learn the host plant for their catepillars and many other fascina

  • Created by: Sustainable Contra Costa
June 13, 2026
Saturday