Events

The East Bay Regional Park District (EBRPD) is seeking community input to develop EBRPD’s next District Plan. Now is a great time to join the conversation and share your thoughts on the future of the Park District. See what was said in Round 1 and co

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

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

Spring is here—join Rodgers Ranch for their Annual Spring Expo! Hosted by the Urban Farm at the Rodgers Ranch Heritage Center, this spring favorite is more than a plant sale—it’s a community event. Find locally grown, high-quality plants, explore off

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

Join 350 Contra Costa Action on April 16 for our first Community Climate Forum! This re-imagined version of our Climate Circle is a FREE online event that brings together community members every other month for a one-hour online conversation focused

Join us for our 2026 Earth Day Celebration as the Green Movie Night series presents a screening of the impactful documentary The Story of Plastic.

Presented in collaboration with Sustainable Walnut Creek, this thought-provoking film explores the glob

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

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

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

Celebrate Earth Day in Pleasant Hill with an evening of environmental awareness and activities. Over a dozen groups will be in attendance with a variety of demonstrations, activities and information all based around Earth Day.  Vendors/activities inc

The Ruth Bancroft Garden has partnered with Contra Costa Water District and East Bay Municipal Utility District to present a self-guided tour of over 20 inspiring home gardens in Walnut Creek, Pleasant Hill, Lafayette, and Moraga. This tour highlight

Learn how to fix your stuff! Ripped jeans? Cracked screen? Broken blender? 

Repair coaches will be available to help attendees not only fix their item but also learn the skills to make their own repairs in the future!

Register the item you would li

Homeowners. Renters. Property owners. Different paths. One destination.

There is no single pathway to a fossil-fuel-free future. Homeowners, renters, and multifamily property owners all have different budgets, timelines, and building types. What unit

Sustainable Lafayette will be hosting a free Earth Day Festival to celebrate our beautiful town and local environment. Lafayette Earth Day will be April 26, 11am-2pm, at the Plaza Downtown (3530 Plaza Way). Activities will include family-friendly act

See Your Neighbors’ Native Plant Gardens and Electrified Homes!

Join the free Bringing Back the Natives Garden Tour and Green Home Features Showcase in-person Tour from 10 am-5 pm on May 2 & 3, when nearly seventy homeowners in Alameda and Contra Cos

Worm castings make great fertilizer! In this free online workshop you’ll learn how to create your own worm compost. Vermicomposting (“vermi” is Latin for “worm”) is the process of using worms to break down organic food waste into nutrient-rich soil.