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.

Past Events (1812)

Date range
April 22, 2025
Tuesday
  • Celebrate Earth Day and Electrify Your Ride

  • Apr 22, 2025 from 12:00pm to 1:00pm
  • Location: Online webinar
  • Description:

    Join EV experts to learn how you can save money on an EV and cut your carbon footprint in half. We’ll also showcase current and new EVs and cover EV basics such as charging on road trips and at single and multi-family homes. Includes Q&A. Sponsored b

  • Created by: Sustainable Contra Costa
April 19, 2025
Saturday
  • Unity Park Earth Day Celebration

  • Apr 19, 2025 from 10:00am to 1:00pm
  • Location: Unity Park, Richmond
  • Description:

    Join us for a vibrant Earth Day Celebration as we come together to create a more sustainable future! This exciting event will feature hands-on activities, inspiring speakers, and interactive experiences that empower our community to take care for our

  • Created by: Sustainable Contra Costa
 
  • Walnut Creek Earth Celebration Day

  • Apr 19, 2025 from 10:00am to 2:00pm
  • Location: Civic Park, Downtown Walnut Creek
  • Description:

    Join us for Walnut Creek’s biggest Earth Day celebration! On Saturday, April 19th, Civic Park will come alive with a dynamic, family-friendly festival celebrating the intersection of sustainability and movement.

    🎭 Live Performances – Enjoy the energy

  • Created by: Sustainable Contra Costa
 
  • El Cerrito Earth Day Celebration

  • Apr 19, 2025 from 9:00am to 12:00pm
  • Location: Various El Cerrito locations
  • Description:

    Each year in April, the City celebrates Earth Day with a morning of volunteerism. 
    We invite you to join or organize an Earth Day work party! The City of El Cerrito welcomes volunteers to: 

    • Help tidy parks & public spaces
    • Pick up litter to reduce the
  • Created by: Sustainable Contra Costa
 
  • Pinole Earth Walk

  • Apr 19, 2025 from 9:00am to 11:00am
  • Location: Fernandez Park, Pinole
  • Description:

    Each year for Earth Day, we will take a walking pledge to protect the planet as a community. It’s also a great way to meet your neighbors, spend time with family, get some fresh air, or bring Fido for a walk! The walking path is approximately 3 miles

  • Created by: Sustainable Contra Costa
 
  • Pittsburg Civic Pride Day

  • Apr 19, 2025 from 9:00am to 11:00am
  • Location: Pittsburg High School
  • Description:

    The City of Pittsburg and the Pittsburg Unified School District invite you to get involved and take pride in Pittsburg! Join in a community litter removal effort on Earth Day!

    1. Register individuals or groups by reserving a free ticket per person.
    2. Pri
  • Created by: Sustainable Contra Costa
 
  • Family Friendly Downtown Walnut Creek Clean-Up

  • Apr 19, 2025 from 8:30am to 10:00am
  • Location: Macy*s Broadway Plaza parking lot (3rd floor)
  • Description:

    Our next Downtown Clean-Up is in coordination with Sustainable Walnut Creek's Earth Day Celebration at Civic Park. Our event will kick off from the Macy*s Broadway Plaza parking lot (3rd floor). Note that first 3 hours or parking are free. We'll be c

  • Created by: Sustainable Contra Costa
 
  • Celebrate Earth Day with East Bay Parks

  • Apr 19, 2025 all day
  • Location: Various
  • Description:

    East Bay Regional Park District has many ways to celebrate Earth Day. Join them for an Earth Day themed activity like a family art project, take a hike or ride in nature, shop at a native plant sale or volunteer at an Earth Day clean-up event in a pa

  • Created by: Sustainable Contra Costa
April 12, 2025
Saturday
  • Waterwise Garden Design & Maintenance Workshop

  • Apr 12, 2025 from 1:00pm to 4:00pm
  • Location: Richmond Main Public Library
  • Description:

    Are you ready to create a low-water garden bursting with color? Come bring your ideas and join EBMUD, Master Gardeners of Contra Costa County, and Dave Phelps, Landscape Architect and Garden Educator for a presentation and discussion on simple low wa

  • Created by: Sustainable Contra Costa
 
  • Pollinator & Friends Day

  • Apr 12, 2025 from 10:00am to 4:00pm
  • Location: Ruth Bancroft Gardens, Walnut Creek
  • Description:

    Join us for a celebration of pollinators and their friends at the Ruth Bancroft Garden! Learn how you can help protect them and their habitats in your own garden and beyond.

    This drop-in community day is free to attend in the Plaza and Great Room, wh

  • Created by: Sustainable Contra Costa
 
  • Spring Expo & Plant Sale

  • Apr 12, 2025 from 10:00am to 4:00pm
  • Location: Rodgers Ranch Heritage Center, Pleasant Hill
  • Description:

    Don't miss the famous Expo and Plant Sale! Rodgers Ranch Heritage Center, historic house, and urban farm is one of Pleasant Hill's best kept secrets.

    The Expo features:

    • Thousands of Plants: Unique heirloom varieties from the farm; tomatoes, pepper
  • Created by: Sustainable Contra Costa
April 10, 2025
Thursday
  • DiRT Day at Ang and Irish Canyon

  • Apr 10, 2025 from 10:00am to 2:00pm
  • Location: Peacock Creek Drive, Clayton
  • Description:

    Join Save Mt. Diablo in celebrating Earth Month by giving young trees some love! We will be weeding around and possibly watering oak and California buckeye trees of various ages along Irish Creek. This project is in partnership with the East Contra C

  • Created by: Sustainable Contra Costa
April 5, 2025
Saturday
  • Bringing Back the Natives Garden Tour - Online

  • Apr 5, 2025 at 10:00am to Apr 6, 2025 at 3:00pm
  • Location: Virtual
  • Description:

    See Your Neighbors’ Native Plant Gardens and Electrified Homes!

    Join the free Bringing Back the Natives Garden Tour and Green Home Features Showcase on-line event on April 5 & 6 from 10 am-3 pm to see beautiful native plant gardens that attract birds

  • Created by: Anne Chambers
March 30, 2025
Sunday
  • 2025 Because of Youth Festival

  • Mar 30, 2025 from 10:00am to 3:00pm
  • Location: Fireside Hall, Contra Costa College 2600 Mission Bell Dr, San Pablo
  • Description:

    Join MCE at the 2025 Because of Youth Festival for an unforgettable experience! This event brings together young changemakers like you for a day of inspiration, connection, and hands-on learning.

    Why attend?

    • Connect with inspiring young leaders and
  • Created by: Sustainable Contra Costa
March 22, 2025
Saturday
  • Big Gardens in Small Spaces

  • Mar 22, 2025 from 3:00pm to 4:00pm
  • Location: Dublin Library
  • Description:

    Join us to learn the basics of successful gardening with Lori Caldwell, the Bay Area's own Compost Gal!

    Don’t have a lot of space, but want to grow your own food?  This program is for you! Perhaps you have just a few feet of garden space or are limit

  • Created by: Sustainable Contra Costa
 
  • Repair Workshop - El Cerrito

  • Mar 22, 2025 from 10:00am to 1:00pm
  • Location: El Cerrito Community Center
  • Description:

    Reduce your waste! Bring your well-loved broken, non-functioning things: electronic gadgets, appliances, computers, toys, sewing machines, clean fabric items, etc. and try to fix them! This event is open to families and residents of West Contra Costa

  • Created by: Sustainable Contra Costa
 
  • Pittsburg Compost Giveaway

  • Mar 22, 2025 from 9:00am to 11:00am
  • Location: Los Medanos Elementary School, 610 Crowley Avenue, Pittsburg,
  • Description:

    Don't miss a fantastic opportunity to enhance your garden and support the planet—let's grow together! The City is offering free compost to Pittsburg residents. The compost is available on a first-come, first-served basis while supplies last. Proof of

  • Created by: Sustainable Contra Costa
March 7, 2025
Friday
  • Clean Transportation for Better Health

  • Mar 7, 2025 from 11:30am to 1:30pm
  • Location: The Parent Hub, Pittsburg
  • Description:

    Join Acterra and Ride and Drive Clean for a lunch meeting to learn about the health impact of transportation emissions, explore Electric Vehicles (EVs), and discover financial incentives to make EVs more affordable! 

    Join us for lunch and an engaging

  • Created by: Sustainable Contra Costa
March 6, 2025
Thursday
  • Save on an EV with Incentives

  • Mar 6, 2025 from 7:00pm to 8:00pm
  • Location: Online webinar
  • Description:

    Join EV experts to learn how you can save money with incentives on a new EV or PHEV. We’ll also cover EV basics like charging at home and on the road and showcase popular models. Sponsored by City of Palo Alto Utilities.

    REGISTER HERE

    And you can Joi

  • Created by: Sustainable Contra Costa
March 2, 2025
Sunday
  • An Afternoon with Brian McLaren

  • Mar 2, 2025 from 1:30pm to 4:00pm
  • Location: San Ramon Valley United Methodist Church
  • Description:

    Brian D. McLaren is an author, speaker, activist, and public theologian. A former college English teacher and pastor, he is a passionate advocate for "a new kind of Christianity" -- just, generous, and working with people of all faiths for the common

  • Created by: Sustainable Contra Costa