Leave the Lights On, How Joyful Decisions Can Save Our Species

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by Elizabeth Dunn, Jiaying Zhao · 2026

A popular-science book about addressing climate change through actions that increase happiness rather than relying on guilt, sacrifice, or self-denial. Psychologist Elizabeth Dunn and climate-behavior scientist Jiaying Zhao draw on research to show how joyful, sustainable choices can benefit both personal well-being and the planet.

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1 episode featuring Leave the Lights On, How Joyful Decisions Can Save Our Species

TED Radio Hour
Elizabeth Dunn reframes climate action around happiness
The episode examines whether sustainable habits last longer when they improve well-being, while keeping individual choices in view of structural constraints and corporate responsibility.
Sep 4, 2026 · 50 min

1 episode featuring Leave the Lights On, How Joyful Decisions Can Save Our Species

Elizabeth Dunn reframes climate action around happiness