Meadowland Medicine: Help Restore a Local Coastal Prairie
Join us for a fun day getting your hands dirty and bringing a local coastal prairie back to life!
Volunteer Outdoors at Redwood Grove in Los Altos
Volunteer your time to help increase biodiversity in Los Altos at Redwood Grove Nature Preserve!
Meadowland Medicine: Help Restore a Local Coastal Prairie
Join us for a fun day getting your hands dirty and bringing a local coastal prairie back to life!
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+.
Seniors 65+: Volunteer Outdoors in Cupertino at McClellan Ranch Preserve
Volunteer your time to improve habitat health near Stevens Creek!
Birding and Weeding in East Palo Alto at Ravenswood Preserve
Volunteer your time with Grassroots Ecology and San Francisco Bay Bird Observatory to help increase biodiversity in East Palo Alto!
Weed and Walk at Wunderlich Park
Increase biodiversity by participating in habitat restoration at Wunderlich Park!
Annual Spring Cleanup in Redwood City
Join the Annual Spring Cleanup in Redwood City! Hosted by the Redwood City Pride and Beautification Committee.
Volunteer Outdoors in Palo Alto: Bioretention Area Maintenance at Southgate
Join us to help maintain the bioretention area at Southgate in Palo Alto.
Bring Your People to Work(day) - A Mother’s Day Volunteer Event
Celebrate the spirit of connection this Mother’s Day weekend with Grassroots Ecology to support the biodiversity at a Arastradero preserve!
Nurture Nature: Volunteer Outside at McClellan Ranch Preserve
Volunteer your time to improve habitat health near Stevens Creek!
Volunteer Outdoors in Redwood City: Habitat Restoration at Redwood Creek
Volunteer with Peninsula Open Space Trust and Grassroots Ecology to increase biodiversity in Redwood City!
Volunteer Outdoors at Redwood Grove in Los Altos
Volunteer your time to help increase biodiversity in Los Altos at Redwood Grove Nature Preserve!
Volunteer Outdoors in MV Shoreline Marsh Habitat Restoration
Volunteer your time with Grassroots Ecology to help increase biodiversity in Mountain View!
Rare Gems and Old Friends Nature Walk in Los Gatos at Cherry Springs Pond
Join us to explore the native biodiversity at Cherry Springs in Sierra Azul Open Space Preserve!
Volunteer Outdoors in Palo Alto at Foothills Nature Preserve
Volunteer your time to increase biodiversity at Foothills Nature Preserve!
Volunteer Outdoors in Palo Alto at Foothills Nature Preserve
Volunteer your time to increase biodiversity at Foothills Nature Preserve!
Sunset Restoration at Russian Ridge Open Space Preserve
Volunteer your time to help increase biodiversity at Russian Ridge Open Space Preserve!
Sheet Mulching Day at McClellan Ranch Preserve
Volunteer with Rotary Club Cupertino and Grassroots Ecology to prepare a new pollinator garden!
Speed Weeders at Palo Alto at Pearson-Arastradero Preserve
Volunteer your time with Grassroots Ecology to help increase biodiversity in Palo Alto!
Volunteer Outdoors at Redwood High School
Volunteer your time to increase biodiversity along Cordilleras Creek through native plant care!
CNPS 51st Annual Wildflower Show
Shop in-person for a small selection of native plants, or pick up pre-orders, at CNPS SCV’s Wildflower Show.
City Nature Challenge Bioblitz at Shoreline in Mountain View
Let's discover and document what lives at the baylands.
Volunteer Outdoors in East Palo Alto at Ravenswood Preserve
Volunteer your time with Grassroots Ecology and Peninsula Open Space Trust to help increase biodiversity in East Palo Alto!
Wildflowers and Fire Ecology Walk in Los Altos Hills at Byrne Preserve
Join us as we explore spring wildflowers and fire ecology at Byrne Preserve!
![[CANCELLED] Earth Day Habitat Restoration at Russian Ridge Open Space Preserve](https://images.squarespace-cdn.com/content/v1/57488264f85082748c7c80db/1775614650080-83O69EZ034LUX7AXHECD/eventbrite_2026.04.22.png)
[CANCELLED] Earth Day Habitat Restoration at Russian Ridge Open Space Preserve
Celebrate the Earth by volunteering to help increase biodiversity at Russian Ridge Open Space Preserve!
Celebrate the Earth: Restoration and Forest Bathing at Huddart Park
Join San Mateo County Parks Foundation and Grassroots Ecology at Huddart Park for habitat restoration and forest bathing.
Volunteer Outside: Habitat Restoration at Byrne Preserve in Los Altos Hills
Volunteer your time to help increase biodiversity at Byrne Preserve by stewarding local ecosystems!
Volunteer in Redwood City at Stulsaft Park
Join Grassroots Ecology and the Youth Climate Ambassadors for a rewarding community service event as we work together to remove invasive cotoneaster.
Volunteer Outside at McClellan Ranch Preserve
Volunteer with Rotary Club Cupertino and Grassroots Ecology to prepare a new pollinator garden!
High School Youth Stewards at San Francisquito Creek - Session #8
Meet new friends, learn about nature from expert staff, enhance your observation skills, & help sustain pockets of biodiversity in Palo Alto
Volunteer Outdoors at Redwood Grove in Los Altos
Volunteer your time to help increase biodiversity in Los Altos at Redwood Grove Nature Preserve!
High School Youth Stewards at Stulsaft Park - Session #8
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Stulsaft Park!
Nurture Nature: Volunteer Outside at McClellan Ranch Preserve
Volunteer your time to improve habitat health near Stevens Creek!
Volunteer Outside in Palo Alto at Pearson-Arastradero Preserve
Volunteer your time with Grassroots Ecology and Peninsula Open Space Trust to help increase biodiversity in Palo Alto!
High School Youth Stewards at San Francisquito Creek - Session #7
Meet new friends, learn about nature from expert staff, enhance your observation skills, & help sustain pockets of biodiversity in Palo Alto
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+.
High School Youth Stewards at Stulsaft Park - Session #7
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Stulsaft Park!
Seniors 65+: Volunteer Outdoors in Cupertino at McClellan Ranch Preserve
Seniors 65+: help maintain our native plant gardens!
Volunteer Outdoors in Los Gatos at Cherry Springs Pond
Volunteer your time to increase biodiversity at Cherry Springs in Sierra Azul Open Space Preserve.
Wild About Wildflowers Naturalist Walk at Pearson-Arastradero Preserve
Join for a guided walk highlighting the beauty of native CA spring wildflowers!
High School Youth Stewards at San Francisquito Creek - Session #6
Meet new friends, learn about nature from expert staff, enhance your observation skills, & help sustain pockets of biodiversity in Palo Alto
High School Youth Stewards at Stulsaft Park - Session #6
Meet new friends, learn about nature, enhance your observational skills, and help restore the natural ecosystems within Stulsaft Park!
Volunteer Outdoors in East Palo Alto at Ravenswood Open Space Preserve
Volunteer your time with Grassroots Ecology to help increase biodiversity in East Palo Alto!
High School Youth Stewards at San Francisquito Creek - Session #5
Meet new friends, learn about nature from expert staff, enhance your observation skills, & help sustain pockets of biodiversity in Palo Alto
Volunteer Outside in Cupertino at McClellan Ranch Preserve
Volunteer your time to improve habitat health near Stevens Creek!
College Student & Young Professional Workday Series - Session #10
Restore ecosystems, meet new friends, & explore nature on short hikes at Byrne Preserve, Los Altos Hills and Foothills Preserve, Palo Alto
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!
Volunteer Outdoors in Los Gatos at Bear Creek Redwoods
Volunteer your time to increase biodiversity at Bear Creek Redwoods Open Space Preserve!