The philanthropist Kathryn Murdoch has prioritized donations to environmental causes for more than a decade. She has, she said, a deep understanding of how inhospitable the planet will become if climate change is not addressed. An episode might include a visit to a floating village or a conversation about artificial intelligence with the musician Grimes. “There’s room for screaming,” Wallach said. Climate optimism as opposed to climate fatalism.

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Persons: Kathryn Murdoch, ”, Murdoch, Ari Wallach, —, Wallach, Grimes, ” Wallach, Hannah Ritchie’s “ Organizations: PBS, Amazon Prime