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by Elizabeth Dunn (Author), Jiaying Zhao (Author)
"Who knew that saving the world could be so much fun?"--Daniel Gilbert, author of Stumbling on Happiness
How to make an impact on climate change by taking actions that bring you joy What if the most effective ways to fight climate change made you happy? Psychologist Elizabeth Dunn and climate behavior scientist Jiaying Zhao challenge everything we think we know about sustainable living. While most climate advice demands self-denial--eat less, travel less, want less--this groundbreaking book offers a counterintuitive truth: you can make your life better while saving our species at the same time. The authors reveal how tweaking everyday decisions around food, travel, housing, and shopping can nudge us toward a tipping point of mass action--without tipping us into burnout.You will discover that: - Joy is a powerful climate strategy. When you enjoy the changes you're making, you're more likely to stick with them--and spread them.
- You don't have to go vegan or give up flying. Smart substitutions (chicken over beef, carry-on over checked bags) make a real dent in emissions with less personal friction.
- Small talk matters. Normalizing climate conversations with friends and family helps shift social norms and catalyzes cultural change.
- Give yourself permission to leave the lights on. Focus on higher-impact actions instead of smaller interventions. Leave the Lights On is a bold invitation to reimagine climate action not as a burden, but as an opportunity to build a brighter future--without guilt, without gloom, and without giving up the things that make life worth living. With warmth, clarity, and a refreshingly optimistic voice, Zhao and Dunn reframe what it means to "do your part." Because sustainability doesn't lie in doing everything, it lies in doing something, joyfully.
Author Biography
Elizabeth Dunn is Professor of Psychology at the University of British Columbia and coauthor of Happy Money. She directs UBC's Happy Lab, which focuses on how to optimize valuable resources including time, money, and carbon to maximize human well-being. Her work has been featured in The New York Times, The Wall Street Journal, The Washington Post, Los Angeles Times, The Atlantic, TIME, Rolling Stone, and Harvard Business Review; and on numerous podcasts and television shows, including Hidden Brain, NPR's Short Wave, The Happiness Lab, Ten Percent Happier with Dan Harris, Morning Joe, and CBS Mornings. Dunn spoke on the TED mainstage in 2019, and her talk was selected as one of the top ten TED talks of the year.
Jiaying Zhao (JZ) is Professor of Psychology and Sustainability and founded the Behavioral Sustainability Lab at the University of British Columbia, which designs and tests behavioral solutions that encourage climate action. She has worked with NASA, NOAA, and the US and Canadian Forest Service to develop pathways to net zero. Zhao has appeared on numerous podcasts and in documentary films, including Why Is This Happening? With Chris Hayes and Close the Divide. Her research has been featured in The New York Times, The Washington Post, The Atlantic, TIME, The Economist, Scientific American, CNN, and NBC. In 2023, Zhao gave a TED talk on climate strategies rooted in happiness, which was selected as one of the top TED Talks to be a better you in 2024.
