High School Youth Stewards at San Francisquito Creek/Bol Park
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Bol Park and the San Francisquito Creek watershed!
Volunteer Outside in Woodside at Huddart Park
Volunteer your time to improve local ecosystems at Huddart Park!
Volunteer Outdoors at Pearson-Arastradero Preserve
Volunteer with Grassroots Ecology to support biodiversity in our local open spaces!
Celebrate Mother's Day in Nature, Volunteer at Redwood Creek (Redwood City)
Honor mothers of all kind by volunteering your time in nature with Grassroots Ecology and Peninsula Open Space Trust in Redwood City!
Volunteer at McClellan Ranch Preserve in Cupertino
Volunteer your time to improve habitat health along Stevens Creek!
Volunteer at Sunnyvale Baylands Park
Volunteer your time to build a pollinator garden at Sunnyvale Baylands Park!
Volunteer Outdoors in Los Gatos at Bear Creek Redwoods
Volunteer your time to increase biodiversity at Bear Creek Redwoods Open Space Preserve.
Seniors 65+ Volunteer at McClellan Ranch Preserve in Cupertino
Seniors 65+: volunteer your time to improve habitat health along Stevens Creek!
Volunteer Outdoors at Ravenswood Open Space Preserve
Volunteer your time with Grassroots Ecology to help increase biodiversity in East Palo Alto!
Rooted in Culture: Latino Restoration Event at Stulsaft Park
Volunteer with Grassroots Ecology by participating in habitat restoration at Stulsaft Park!
Volunteer Outdoors at Redwood Grove Nature Preserve in Los Altos
Volunteer your time to help increase biodiversity in Los Altos at Redwood Grove Nature Preserve!
Sunset Restoration at Russian Ridge Preserve
Volunteer your time to help increase biodiversity at Russian Ridge Open Space Preserve!
Plant Sale at CNPS 50th Annual Wildflower Show
Shop in-person for a small selection of native plants, or pick up pre-orders, at CNPS SCV’s Wildflower Show.
Volunteer Outdoors in East Palo Alto at Cooley Landing
Volunteer your time with Grassroots Ecology and Peninsula Open Space Trust to help increase biodiversity in East Palo Alto!
City Nature Challenge Bioblitz at Shoreline in Mountain View
Let's discover and document what lives at the baylands.
Annual Spring Cleanup in Redwood City
In honor of Earth Day, the City of Redwood City – Pride and Beautification Committee is hosting its Annual Spring Cleanup event. FREE breakfast and FREE BBQ lunch!
High School Youth Stewards at San Francisquito Creek/Bol Park
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Bol Park and the San Francisquito Creek watershed!
Spring Flowers Naturalist Walk in Los Altos Hills at Byrne Preserve
Celebrate spring with a guided walk featuring native wildflowers!
Speed Weeders: Volunteer Outdoors at Pearson-Arastradero Preserve
Volunteer with Grassroots Ecology to support biodiversity in our local open spaces!
Earth Day Volunteering in Los Gatos at Bear Creek Redwoods
Volunteer your time this Earth Day to increase biodiversity at Bear Creek Redwoods Open Space Preserve.
Volunteer Outdoors in Los Gatos at Cherry Springs
Volunteer your time to increase biodiversity at Cherry Springs in Sierra Azul Open Space Preserve.
High School Youth Stewards at San Francisquito Creek/Bol Park
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Bol Park and the San Francisquito Creek watershed!
Seniors 65+ Volunteer at McClellan Ranch Preserve in Cupertino
Seniors 65+: volunteer your time to improve habitat health along Stevens Creek!
High School Youth Stewards at Stulsaft Park - Session #5
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Stulsaft Park!
Trash Pickup & Bird Walk at Redwood Creek with Youth Climate Ambassadors
Join the Youth Climate Ambassadors (YCA) for an event where we will remove trash from a local waterway and learn about native marsh birds.
Volunteer as a Greeter/Docent at the Growing Natives Garden Tour 2025
Volunteer as a Greeter/Docent at the Growing Natives Garden Tour 2025
Wild About Wildflowers Naturalist Walk at Pearson-Arastradero Preserve
Join a guided walk highlighting the beauty of native CA spring wildflowers!
Volunteer at McClellan Ranch Preserve in Cupertino
Volunteer your time to improve habitat health along Stevens Creek!
Volunteer as a Greeter/Docent at the Growing Natives Garden Tour 2025
Volunteer as a Greeter/Docent at the Growing Natives Garden Tour 2025
Plant Sale at the Growing Natives Garden Tour
Shop in-person for a small selection of native plants, or pick up pre-orders, at the Growing Natives Garden Tour.
Volunteer Outdoors: Habitat Restoration at Bedwell Bayfront Park
Let's tend a pollinator garden at Bedwell Bayfront Park!
Womxn+ in the Weeds Workday: Volunteer at Pearson-Arastradero Preserve
Calling all women and non-binary identifying community members! Join POST and Grassroots Ecology for an affinity group volunteer workday.
Volunteer in Redwood City: Spring Planting at Stulsaft Park
Volunteer with Grassroots Ecology by participating in habitat restoration at Stulsaft Park!
Garden and Meditate Outdoors at Bedwell Bayfront Park
Let's tend a pollinator garden and meditate outdoors in nature
Volunteer Outdoors at Redwood Grove Nature Preserve in Los Altos
Volunteer your time to help increase biodiversity in Los Altos at Redwood Grove Nature Preserve!
Volunteer Outdoors at Redwood Grove Nature Preserve in Los Altos
Volunteer your time to help increase biodiversity in Los Altos at Redwood Grove Nature Preserve!
Volunteer Outside at Stulsaft Park with Youth Climate Ambassadors
Join the Youth Climate Ambassadors (YCA) for a rewarding community service event as we work together to remove the invasive French broom.
Volunteer Outdoors in Los Altos Hills at Byrne Preserve
Volunteer your time to help increase biodiversity at Byrne Preserve!
Volunteer Outdoors in Palo Alto: Bioretention Area Maintenance at Southgate
Join us to help maintain the bioretention area at Southgate in Palo Alto.
Volunteer Outdoors in Los Altos Hills at Byrne Preserve
Volunteer your time to help increase biodiversity at Byrne Preserve!
High School Youth Stewards at San Francisquito Creek/Bol Park
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Bol Park and the San Francisquito Creek watershed!
Volunteer Outdoors in Alviso at the Burrowing Owl Project (18+)
Join us to improve habitat for the threatened South Bay burrowing owl population. This opportunity is for those aged 18+.