Hikes
Group Hike at Castle Rock State Park
Date: February 12, 2026
Where: Castle Rock State Park
Join us February 12 for a ~4-mile hike through Castle Rock State Park, and enjoy views of evergreen forests, mountainsides, and valleys.
Hikes
Group Hike at Sam McDonald Park
Date: February 13, 2026
Where: Sam McDonald Park
Join us February 13 for a 5-mile hike through Sam McDonald Park’s majestic redwoods, Douglas-firs, and the wonders of the forest.
Volunteering
Olympia Watershed French Broom Removal
Date: February 14, 2026
Where: Zayante Fire Department parking lot
Join Sempervirens Fund and the San Lorenzo Valley Water District for a 3-hour conservation event as we work to remove invasive French Broom.
Volunteering
Volunteer Fuel Reduction at Big Basin
Date: February 20, 2026
Where: Big Basin Redwoods State Park
Join us at Big Basin Redwoods State Park for a hands-on volunteer workday creating brush piles in the Redwood Grove to reduce forest fuels.
Webinars
The Abounding Queerness of Nature, Patricia Ononiwu Kaishian
Date: February 24, 2026
Where: ZOOM
Join writer and mycologist Patricia Ononiwu Kaishian to learn about her insightful and revelatory new book, Forest Euphoria: The Abounding Queerness of Nature.
Hikes
Fall Creek Unit Group Hike at Henry Cowell Redwoods State Park
Date: March 6, 2026
Where: Fall Creek Unit | Henry Cowell Redwoods State park
Explore redwoods, historic lime kilns, and creek sides on a guided hike with Sempervirens Fund at the Fall Creek Unit. Discover nature and history together.
Hikes
Little Butano Creek Trail Hike at Butano State Park
Date: March 14, 2026
Where: Butano Redwoods State Park
Join us March 14 on the Little Butano Creek Trail, where we’ll learn about the wonders of coast redwoods during a 3-mile hike through a riparian canyon environment.
Webinars
How Flowers Made Our World, with David George Haskell
Date: March 31, 2026
Where: ZOOM
Join writer and biologist David George Haskell to learn about his brand-new book, “How Flowers Made Our World: The Story of Nature’s Revolutionaries,” and the role flowering plants have in Earth ecology and human culture.
Webinars
The Science of Awe, with Paul Piff, Ph.D.
Date: May 26, 2026
Where: ZOOM
Join U.C. Irvine professor Paul Piff to learn about the science behind how we experience and benefit from awe.
