Kenwood Press

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Peter H. Raven Lecture Series featuring Mary Ellen Hannibal

Quarryhill Botanical Garden

Saturday September 28th 2019 - 5:00pm to

5-6:30 p.m.

Quarryhill welcomes author and avid citizen scientist Mary Ellen Hannibal for the final lecture of the annual three-part Peter H. Raven Lecture Series. She will discuss “Searching for Heroes and Hope in an Age of Extinction.” Hannibal will talk about drivers of extinction and how citizen science today is uniquely situated to provide the platform for making the changes necessary to grapple with the biggest issue, not just of our time, but of all time.

Hannibal is from the Bay Area and her work focuses on natural history and the important connections between people, species, and ecosystems. Her most recent book, Citizen Scientist: Searching for Heroes and Hope in an Age of Extinction, was named one of the best titles of 2016 by the San Francisco Chronicle and received a Nautilus Book Award. Her previous books include The Spine of the Continent, about which Publisher's Weekly said, “This is what science writing should be: fascinating and true.”

Gates will open at 5 p.m. and the lecture will begin at 5:30 p.m. The fee is $25 for members, $35 for non-members. Refreshments will be available for purchase. For more information go to

Quarryhill Botanical Garden is located at 12841 Sonoma Hwy. in Glen Ellen. For more information visit to or call 996-3166.

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