Who We Are
Since 1990, Sonoma Ecology Center has worked to increase appreciation and stewardship of Sonoma Valley’s natural heritage and create measurable benefits in areas of land, water, climate change and biodiversity.
Vision
We envision a future where people, land, water, and wildlife thrive.
Mission
Our mission is to work with our community to identify and lead actions that achieve and sustain ecological health in Sonoma Valley.
For 35 years, Sonoma Ecology Center has worked on behalf of Sonoma Valley’s land, biodiversity, water, climate, and community. Now, we’re looking to the next 35 years—and we need you with us.
Calendar of Events
We host guided hikes, workship, and community events throughout Sonoma Valley
Fire Resiliency Video
How can people, land, water, and wildlife thrive in a fire-adapted landscape? Watch this video on how we keep people safer while supporting our environment.
Learn more about our work on The Ecology Blog

Protected: SEC Staff Bring Expertise to Fire Resilient Landscaping Course with SRJC and La Luz Center
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Sonoma Ecology Center Wraps Up Another Semester of Teen EnviroLeaders Program
EnviroLeaders Christian and Yomi consult with Sonoma Garden Park Assistant Manager Rebecca Kelly (left) on a weeding project.Since its inception in 2008, Sonoma Ecology Center's EnviroLeaders program has been instrumental in connecting driven, environmentally curious...

Sonoma Ecology Center Receives Grant from Impact100 Sonoma to Support Outdoor Gear Lending Library at Sugarloaf Ridge State Park
Sonoma Ecology Center (SEC) is proud to announce we have been awarded a $14,000 Impetus Grant from Impact100 Sonoma to support the permanent implementation of an important community resource: the Outdoor Gear Lending Library at Sugarloaf Ridge State Park, which SEC...

55 Years For Earth Day, 35 Years for Sonoma Ecology Center
Photo by Marielle V Chua This article, written by Sonoma Ecology Center board member David Morell, was originally published in the Sonoma Sun on April 19, 2025. Never since its founding by Wisconsin Senator Gaylord Nelson and university activist Dennis Hayes on April...