As climate chaos, inequality, and social fragmentation intensify, humanity faces an imminent choice: continue with a system built on extraction and endless growth, or reimagine civilization itself. Leading thinker Jeremy Lent offers that reimagination: an ecocivilization, grounded in proven design principles of ecosystems and in humankind's evolved inclination toward justice, mutuality, and dignity. The book doesn’t merely diagnose what’s broken. It reveals how our current civilization—designed for exploitation, accumulation, and elite power—is functioning exactly as it was intended. In its place, Ecocivilization charts a radical yet feasible alternative.