Earth Day & Arbor Day Celebration
2026-04-30 08:30 - 11:30 (America/Los_Angeles) | Crown Valley Park (29751 Crown Valley Parkway Laguna Niguel, CA 92677)
Celebrate Earth Day by volunteering at the Niguel Botanical Preserve located in Crown Valley Park. Volunteers will plant, weed, add mulch, and clean up areas to help the gardens and our waterways thrive. Wear gardening clothes and closed-toe shoes. Gloves, tools, water, and snacks will be provided and plants will be available for sale at the Amphitheater. Pre-register online to reserve your spot!

Bolsa Chica Reserve Watch
2026-05-01 07:00 - 17:00 | Bolsa Chica Ecological Reserve- South Parking Lot (18000 CA-1, Huntington Beach, CA 92648)
Become a volunteer with the Reserve Watch program. Volunteers work to create awareness through education and outreach to encourage environmentally conscious behavior, monitor critical species for future management and facilitate their rescue when needed. Click the link for more information and to get involved!

Native Plant Restoration at Irby Park
2026-05-02 08:00 - 10:00 | Irby Park (6770 Ruth Dr. Huntington Beach, CA 92647)
Join Surfrider at Irby Park to help restore the native landscape! Activities include removing invasive weeds, planting native vegetation, and working on other important projects. This is a free event and advanced registration is required. Sign up online for the exact address.

Keep it Wild - LCF Native Plant Nursery
2026-05-02 08:00 - 23:00 | 18751 Laguna Canyon Road, Laguna Beach, CA 92651 (Program will begin at Laguna Canyon Foundation Headquarters, 10 Phillips St., Laguna Beach, CA 92651)
Do your part at the native plant nursery in Laguna Coast Wilderness Park. Native plants are nature’s filtration system to slow stormwater pollution. Volunteers may collect seeds, sow seeds in flats, bump plants up, plant at restoration sites, sterilize plant containers and help maintain the nursery. All tools and equipment will be provided. Participants should wear closed-toe shoes, layered clothing and sun protection. Advance registration required.

Newport Bay Conservancy & OC Parks Volunteer Training
2026-05-02 08:30 - 15:30 | Peter & Mary Murth Interpretive Center (2301 University Dr, Newport Beach, CA 92660)
Become a volunteer with Newport Bay Conservancy and OC Parks. In this orientation/training you will be introduced to the ecology of the Upper Newport Bay, the history of organizations working to protect this space, and the range of volunteer opportunities available to the community. There will be a 30 minute lunch break provided by OC Parks. RSVP online to secure your spot!

Calafia Beach San Clemente Cleanup
2026-05-02 09:00 - 11:00 | 250 Avenida Calafia, San Clemente, CA, San Clemente
Volunteer at Calafia Beach to protect our beautiful ocean. To ensure safety and comfort please bring closed toe shoes, a reusable water bottle, trash picker, sun protection (sunscreen, hat, and sunglasses), and comfortable clothing. Advanced registration is required. Sign up online for the exact address.

Keep it Wild - Aliso and Wood Canyons
2026-05-02 09:00 - 12:00 | Aliso & Wood Canyons Visitor Center (28373 Alicia Parkway, Laguna Niguel, CA 92677)
Create a healthier habitat for the native plants and wildlife that call Aliso Creek home! Volunteers will assist with various stewardship activities including removing non-native plants, cleaning up the creek or planting native plants. No experience is necessary and all tools will be provided. Please wear long pants, closed-toe shoes and sun protection, and bring water. Advance registration required.

Free E-Waste Day
2026-05-02 09:00 - 14:00 | Monarch Bay Plaza, 32840 CA-1, Dana Point, CA, 92629, United States
Join Goodwill of Orange County and Dana Point Chamber of Commerce for their E-Waste disposal event. You can bring computers, monitors, printers, and more! For a complete list of items that can and can not be accepted, please visit OCGoodwill.org/Electronics-Recycling.

Zero Trash Initiative
2026-05-02 09:45 - 12:00 | 30632 Santa Margarita Parkway Rancho Santa Margarita, CA 92688
Join the RSM Cares Zero Trash Initiative, led by Brad McGirr, to help clean up our community and protect our waterways on the first Saturday of each month.
Meet at 9:45 AM outside Cinépolis in RSM Town Center and the cleanup runs from 10 AM to noon.

Channel Cleanup
2026-05-02 10:00 - 12:00 | 8750 Academy Dr. Buena Park CA 90621, 8750 Academy Dr., Buena Park, CA, 90621, United States
Join us for a community cleanup to protect our local waterways and the ecosystems they connect to. We’ll be cleaning the Houston Channel, which flows into Fullerton Creek that eventually feeds into the San Gabriel River, carrying water all the way to the Pacific Ocean! The pollution in our neighborhoods doesn’t stay local! It travels downstream, impacting wildlife, water quality, and ocean health.

Join us as we help protect these interconnected environments and create a cleaner and safer community.
Supplies will be provided, but feel free to bring reusable gloves.

Closed-toe shoes are required. Meet at the channel entrance off of Academy Dr.

Discover Upper Newport Bay Kayak Tour
2026-05-02 10:00 - 12:00, 2026-05-09 10:00 - 12:00 | Newport Aquatic Center (1 Whitecliffs Dr, Newport Beach, CA 92660)
Join a public group to kayak through the Upper Newport Bay Ecological Reserve and learn about what makes this place unique! Tours are guided by certified volunteer naturalists. As you gently paddle along, you will have the opportunity to see wetland wildlife while your naturalist guide stops occasionally to talk about the ecology/natural history of the Bay. Only 20 spots available so select your preferred date and sign up online to secure your spot!

Free Household Hazardous Waste Drop-off Event
2026-05-03 08:00 - 14:00 | Saddleback High School, 2802 S Flower Street, Santa Ana, CA, 92707, United States
The City of Santa Ana Public Works Agency invites residents to a free household hazardous drop-off event. This is a wonderful opportunity for you to safely dispose of unwanted household chemicals that cannot be disposed of in the regular trash. No appointment needed, but proof of residency is required. For more details on what you can bring, check out the website link.

Harbor Cleanup - Huntington Harbor
2026-05-03 08:15 - 11:00 | 4281 Warner Avenue Huntington Beach, CA 92649.
Want to learn about watersheds, how to collect data for making environmental action decisions, and help cleanup your environment? Hop into a kayak or stand-up paddleboard with Surfrider at their next Huntington Harbor cleanup! There is a 30 person limit and advanced registration is required.

Bolsa Chica Stewards Habitat Restoration Volunteering
2026-05-03 09:00 - 12:00 | Bolsa Chica Ecological Reserve- North Parking Lot (3842 Warner Ave, Huntington Beach, CA 92649)
The Bolsa Chica Stewards invite the public to join them on the first Sunday and third Saturday of each month for their habitat restoration efforts. Help them care for the new plants, remove non-native plants, pick up trash, and other maintenance tasks to prevent pollution of local waterways. Pre-registration and event sign up is required.

Garden Design
2026-05-07 18:00 - 19:00 | Virtual
This highly requested webinar takes attendees through the step-by-step process of creating a successful Watershed Wise design including rain garden and permeable landscape design and placement, the role of native plants in creating biodiversity, and more! The class is free, but advance registration is required. Please go to the link to register.

Jr. Ranger Adventure: Aliso & Wood Canyons Wilderness Park
2026-05-08 15:30 - 16:30 | Aliso & Wood Canyons Visitor Center, Aliso & Wood Canyons Wilderness Park (28373 Alicia Parkway, Laguna Niguel, CA 92677)
Earn a Aliso and Wood Canyons Wilderness Park Jr. Ranger Badge by completing this Jr. Ranger adventure! The OC Parks Jr. Ranger Program encourages park guests to make observations, learn about nature, and feel empowered to be stewards of Orange County’s natural resources. Advance registration online is required.

Trestles Beach and Habitat Cleanup
2026-05-09 09:00 - 11:00 | 3929 S ElCamino Real, San Clemente, CA 92672, 3929 S El Camino Real, San Clemente, California, 92672
Join the restoration effort at Trestles within San Onofre State Beach. This event aims to remove trash and invasive, non-native plant species and maintain this fragile area to protect the coastline from erosion. Signup in advance to secure your spot!

Huntington State Beach Tower 9 Cleanup
2026-05-09 09:00 - 11:00 | Huntington Beach Tower 9 (22355 E Pacific Coast Hwy, Huntington Beach, CA 92646)
Keep your community clean and prevent pollution. Join Coastkeeper to help protect Huntington Beach’s beautiful waterways! Make sure to bring closed-toed shoes, comfortable and weather-appropriate clothing, sun protection, and your own cleanup equipment. This is a free event and advanced registration online is required.

Native Plant Restoration at River's End Park
2026-05-09 09:00 - 11:00 | River’s End Park Seal Beach, CA ( 15 1st St, Seal Beach, CA 90740)
At this free event, you will get the opportunity to remove invasive weeds while enjoying the beauty of River’s End Park! Gloves and limited tools will be supplied. Please bring your own if you have them! Sign up for the exact address.

Electronic Waste Recycling Event
2026-05-09 09:00 - 15:00 | Placentia Civic Center, 160 Yorba Linda Blvd., Placentia, CA, 92870, United States
Support local schools and reduce pollution by attending the Placentia Chamber of Commerce E-Waste recycling event. Items accepted include computer monitors, TVs, printers, laptops, VCR/DVD players, anything with a screen and/or cord! For more information, call (714)528-1873.

Beach Cleanup + Surf - Newport Pier
2026-05-10 08:00 - 10:00 | 1 Newport Pier, Newport Beach, CA 92663
Protect our waterways while you support your local community. Join Surfrider at the Newport’s Pier to learn about their beach cleanup and rid trash from our shores. Sign up online for the exact address.

Electronic Waste Recycling Event
2026-05-10 09:00 - 15:00 | Placentia Civic Center, 160 Yorba Linda Blvd., Placentia, CA, 92870, United States
Support local schools and reduce pollution by attending the Placentia Chamber of Commerce E-Waste recycling event. Items accepted include computer monitors, TVs, printers, laptops, VCR/DVD players, anything with a screen and/or cord! For more information, call (714)528-1873

Bolsa Chica Ecological Reserve Free Public Tour
2026-05-10 10:00 - 12:00 | Bolsa Chica Ecological Reserve- South Parking Lot (18000 CA-1, Huntington Beach, CA 92648)
Strengthen your knowledge and appreciation of natural resources near you. Join a Bolsa Chica Land Trust docent on the second and third Sunday of each month for a free guided walking tour of the Bolsa Chica wetlands and mesa. Look for the white canopy and tables at the back of the lot by the footbridge and learn about the history of Bolsa Chica, its wildlife, and plant life.

Jr. Ranger Adventure: Aliso & Wood Canyons Wilderness Park
2026-05-15 15:00 - 16:30 | Nix Nature Center, Laguna Coast Wilderness Park (18751 Laguna Canyon Road, Laguna Beach 92651)
Earn a Laguna Coast Wilderness Park Jr. Ranger Badge by completing this Jr. Ranger adventure! The OC Parks Jr. Ranger Program encourages park guests to make observations, learn about nature, and feel empowered to be stewards of Orange County’s natural resources. Advance registration online is required.

Doheny State Beach Community Beach Cleanups
2026-05-16 08:00 - 11:00 | Doheny State Beach (Meet at the picnic tables closet to Doheny Lifeguard Headquarters), 25300 Dana Point Harbor Drive, Dana Point, CA, 92629, United States
Keep the beach clean while enjoying an incredible view at the Doheny State Beach Foundation Community Beach Cleanup. Invite your friends, family, and neighbors to increase your impact. If you can, bring your own recycled bag, buckets, gloves, or other supplies to make this event as zero waste as possible. No advanced registration is required.

La Habra Household Hazardous Waste & Shred Event - Residential
2026-05-16 08:00 - 12:00 | La Habra, 521 W. Mountain View Avenue, La Habra, CA, 90631, United States
The City of La Habra in partnership with CR&R will host a Hazardous Waste and Universal Waste collection event for La Habra residents. Appointments are required. To schedule a drop off appointment time, please call CR&R Customer service at 562.694.3730 or 866.742.8850.

Paint, Universal Waste & E-Waste Drop-Off Event
2026-05-16 08:00 - 12:00 | City Parking Lot #16, 1900 Laguna Canyon Road, Laguna Beach, CA, 92651, United States
Laguna Beach Residents are invited to participate in this annual free drop-off event to dispose of unwanted paint, batteries, CFL bulbs, E-waste, and more! Check the flyer and/or website link for more information.

Santa Ana River Cleanup
2026-05-16 09:00 - 11:00 | Huntington Beach, CA 92646 (sign up to see exact location)
Rid trash from the tall grass and weeds at this month’s Santa Ana River Cleanup. The Santa Ana River has many tributaries that feed into it before it meets the ocean, you can do your part to prevent pollution on a local level. Must wear closed toed shoes and pants. Sign up online for the exact address.

Community Cleanup Day
2026-05-16 09:00 - 11:00 | Garden Grove Park, 9301 Westminster Ave, Garden Grove, CA, 92840, United States
The Garden Grove Sanitary District, Republic Services, and the City of Garden Grove hosts the Community Cleanup Day program to offer residents the opportunity to dispose of bulky items for free. Residents may bring unwanted and unused items, such as non-refrigerant appliances, furniture, mattresses, and carpets. Electronic waste, including printers and computers are also accepted. This will be a self-service event in which residents will be unloading their own items on a first-come, first-served basis until bins are full. Dates and locations are subject to change. Check the City’s website and social media regularly.
