Hear Stephen Andrews (UC Berkeley Professor specializing in soils) discuss climate change and drought through a soils lens, and learn how soil depletion could be a greater human threat than diminished water supplies.

Stephen Andrews (UC Berkeley Professor, specializing in soils) will lead this class in learning the important physical properties of soil!

In the third class in the soil series, join the very knowledgeable Stephen Andrews (UC Berkeley Professor, specializing in soils) for a hands-on class to discover how the chemical reactions of soil clean our air, clean our water, and make nutrients available to plants. You'll understand chemistry like never before!

The Park Stewardship team will lead a leisurely walk along the trails and share the folklore, medicinal uses and biology of the flowers. Spectacular views of the Pacific Ocean and a new appreciation for spring wildflowers in San Francisco are guaranteed!

The Park Stewardship team will lead a leisurely walk along the trails and share the folklore, medicinal uses and biology of the flowers. Spectacular views of the Pacific Ocean and a new appreciation for spring wildflowers in San Francisco are guaranteed!

The Park Stewardship team will lead a leisurely walk along the trails and share the folklore, medicinal uses and biology of the flowers. Spectacular views of the Pacific Ocean and a new appreciation for spring wildflowers in San Francisco are guaranteed!

The Park Stewardship team will lead a leisurely walk along the trails and share the folklore, medicinal uses and biology of the flowers. Spectacular views of the Pacific Ocean and a new appreciation for spring wildflowers in San Francisco are guaranteed!

Join the Nature Journal Club for a 1.5 hour workshop on an important fundamental skill: using gesture sketching and negative shapes to quickly get information down in your nature journal.

Sharing ways of observing and recording nature Laura Cunningham, author of A State of Change: Forgotten Landscapes off California (Heyday: 2010), will give a presentation about oil painting methods outdoors, easy field kits, some history of Plein Air painting (in the ‰ЫПopen air‰Ыќ), and how oil painting can be combined with nature journaling.

Stemming from the Mt. Tam Science Summit held last fall, Marin Municipal Water District and San Francisco State University have begun inventorying pollinators, primarily bees. This is the first time this part of Marin has ever been surveyed for pollinators. Join us to learn how to collect, clean and prepare specimens. Ages 13 and up. RSVP required as space is limited.