In the early 1960s, cities around the San Francisco Bay Area proposed plans to fill in the bay waters and expand. At the time, there was no regional agency looking at what all those projects together would do to the bay as whole. That's where three Berkeley women stepped in to save the bay.

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This story was adapted from the Voices for the Environment podcast. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz and Christopher Beale. Additional support from Sasha Khokha, Dan Brekke, Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.