Up until the 1850s, the East Bay was home to hundreds of grizzlies and some of the tallest redwoods in the history of the planet. Within about a decade of the Gold Rush, nearly all of the bears and the trees were wiped out. This episode looks back at the local environment before colonization—and explores how such a massive wave of devastation was able to change the landscape so quickly.

photo: Janko Ferlič via Unsplash

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