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Oakmont Sunday Symposium

Now live at the Berger Center and on Zoom. Go to for Zoom info and updates.

April 24, 10:30 a.m.: Marcus Trotta, Sonoma County hydrologist, will present “Understanding Sonoma County groundwater.”

We’ll take a deep dive to understand the three aquifers that supply about 60% of the water used in the Sonoma Valley. The talk will cover the Sonoma Valley Groundwater Sustainability Plan, new data from aerial remote sensing, and the latest state laws impacting groundwater use.

May 1, 10:30 a.m.: Arlene Blum will present “Breaking Trail: Mountains and Molecules.”

Arlene Blum, mountaineer, chemist, and author, has led successful expeditions to some of the world’s most challenging mountains, and also has conducted scientific research on how to protect human health and the global environment. In this dramatic presentation, Arlene shares favorite images and stories from her climbs, such as leading the first all-women ascents of Denali and Annapurna I, as well as her current science and policy work to stop the use of harmful chemicals in everyday products.