About the Book: Psychologist Elizabeth Dunn and climate scientist J.Z. Zhao challenge the idea that fighting climate change requires self-denial, arguing that smart, joyful lifestyle tweaks around food, travel, and shopping can meaningfully cut emissions while improving happiness. The book shows how small substitutions and open conversations about climate can shift social norms without triggering burnout, framing sustainability as something achieved through doing something joyfully rather than doing everything perfectly-reframing climate action as an opportunity rather than a sacrifice.