Dr. Ayana Elizabeth Johnson, a marine biologist, policy expert, writer, and co-founder of the non-profit think tank Urban Ocean Lab, joins Scott to discuss her new book, “What If We Get It Right? Visions of Climate Futures.” She also talks to Scott about what needs to change, the impact of consumerism, the oceans, and how to reach people who don’t care about climate change.

Follow Dr. Johnson, @ayanaeliza.

Scott opens with his thoughts on TikTok’s fight to stave off a U.S. ban, and then he gets into Instagram’s latest moves to beef up protections for teen users.

Algebra of Happiness™: birthday reflections.

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