Training

A short ramble through the oak woodlands. Observe acorns, leaf shapes and bark to figure out which trees share our community, and how oaks support so many other species.Your guides will be HREC GrizzlyCorps Fellows Evelyn George and Hennessy Jones.$0-$10. Register here.   

Participants will learn how to estimate nitrogen release from diverse organic sources and translate that into nitrogen fertilization decisions and reporting. We will cover the most common sources of nitrogen and complete a nitrogen budget.

Join us for a engaging talk on how to identify, manage and prevent weeds in your garden and lawn.  Learn why weeds appear, which ones are worth knowing and how to control them using sustainable research based methods. No harsh chemicals needed!  Keep your landscape healthy, beautiful and weed free…

Come learn about the Monarch Butterfly, it's life cycle, migration, and how you can bring them into your yard.  Featuring a local expert sharing their recent research.

Do you want to make the most of rainy days join the UC Master Gardeners to learn how to catch and use rainwater in your garden.  We'll show you easy, practical ways to collect, store and use ran to keep your plants happy and save water at the same time!

Honors GEOG 170 Geography of California, 3 UnitsTo earn certification as a California Naturalist at Grossmont College requires successful completion of Honors Geography of California (Honors GEOG 170) - a co-designed course with the University of California that explores the natural history of…

Stewards is pleased to announce a new UC California Naturalist Certification Program.  A Cal-Nat Oceans Intensive at Bodega Marine Lab!  This is an in-person multi-day residential intensive program where students will stay at Bodega Marine Lab and spend their time exploring California natural…

This UC California Naturalist Course will focus on the local watersheds. Alameda Creek Watershed and surrounding natural areas in addition to the Arroyo Viejo Watershed. The Alameda Creek Watershed is the largest watershed and tributary in the Bay Area. It Extends as far south as Mount Hamilton, north to…

The Conservation Society of California and Oakland Zoo's UC Climate Stewards Certification Course will integrate locally relevant themes of the conservation of native plants and animals, environmental justice, and community stewardship. Through guest speakers, field trips, and activities we will learn about…

Based on Mount Sutro in San Francisco, the San Francisco Youth Naturalist Program will introduce you to the wonders of our unique ecology in the Bay and engage you in the stewardship of California’s natural communities. The course will utilize a combination of environmental science curriculum, guest…