California Naturalist
California Naturalist
California Naturalist
University of California
California Naturalist




The mission of the UC California Naturalist Program is to foster a diverse community of naturalists and promote stewardship of California's natural resources through education and service. 

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Calling all K-12 educators! Do you want the tools and training to enhance environmental education in your classroom or youth program? Do you want ready-made activities, perfect for outdoor exploration, that support STEM learning, Common Core, and Next Generation Science Standards? Then come to the Forestry Institute for Teachers PLUS (FIT+), a two-day advanced training opportunity, in multiple locations in California! First up is Yuba County, Oct. 8-9, hosted by UC Sierra Foothill Research & Extension Center and facilitated by staff from CA Project Learning Tree/California Naturalist and Sierra Streams Institute/Friends of Deer Creek. FIT+ includes the Project WET Foundation K-12 Curriculum Guide, talks from science experts, and optional CEUs! The training is designed for classroom teachers and non-formal educators who work with youth. We will spend as much time as possible outdoors! FIT+ sessions are coming up in October (Yuba County), November (San Luis Obispo County), and January (Orange County). Register for any session at

Posted less than a minute ago
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A cool trip to learn about the farallones! I thought some fellow naturalists would be interested. I am really bummed to miss this one.

Posted 24 hours ago
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It was a pleasure to join 15 other organizations fostering citizen science in California, including Nerds For Nature and California Academy of Sciences, at Mary Ellen Hannibal's book talk in San Francisco last week. We highly recommend her book "Citizen Scientist: Searching for Heroes and Hope in an Age of Extinction." Thank you Mary Ellen for speaking at the recent California Naturalist conference about being a CA Naturalist and citizen science. Mary Ellen will be speaking at the Marin Municipal Water District October 1 and Oakland Nature Festival, Rotary Nature Center on October 2.

Posted 3 days ago
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Current News

Hot off the press: “Evaluating environmental education, citizen science, and stewardship through naturalist programs” examines data from California and Virginia naturalist programs to understand participant motivations, barriers, and perspectives as well as the actions they take to advance science, stewardship, and community engagement. 

New California Agriculture article on CalNat Director Adina Merenlender: Building a new mode of extension for biodiversity conservation

Time's Flaming Arrow: Read about journalist Mary Ellen Hannibal's CalNat immersion experience in the HuffPost Green Blog.


California Naturalist Calendar

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