Join environmental journalist Mary Ellen Hannibal to learn how citizen science has been deeply woven into California’s 30×30 and will continue to be a central tool for achieving it.

In this talk Hannibal gives a broad overview of California’s 30×30 initiative to protect marine and terrestrial ecosystems by 2030. Practical and historic questions are in constant play to execute this monumentally ambitious project. Links from this presentation include:

• Check out California’s 30×30 Initiative
• Learn about the America the Beautiful Initiative
• Check out the 30×30 Explorer Tool
• Check out the California Biodiversity Initiative
• Learn more about the impacts of climate change on redwoods
• Learn more about the Amah Mutsun Land Trust
• Explore Conservation Lands Network’s Critical Linkages Map

Mary Ellen Hannibal is an award-winning environmental journalist and the author of five books. Mary Ellen’s most recent book, “Citizen Scientist: Searching for Heroes and Hope in an Age of Extinction,” was named a best book of the year by the San Francisco Chronicle and won a Nautilus book award. Hannibal is a regular contributor to publications including The New York Times, Science, Sierra, Nautilus, and Bay Nature. A frequent speaker, she performed a Stanford TEDx talk in 2017 and her “big” TED talk, on butterflies, the human soul and citizen science, was released in 2020.

The 2026 series of Under the Redwoods is sponsored by Scharf Investments. This episode is also sponsored by Sheppard Mullin.

April 2026