This book, coauthored with two leaders in Contextual Behavioral Science, provides a comprehensive guide to​, a practical framework for working with single groups and multi-group cultural ecosystems to become more prosocial and adaptable to changing environments. It will interest anyone who wants to roll up their sleeves and get personally involved in making their world a better place.

Tim Kasser writes: “What do you get when you combine contemporary evolutionary theory, insights from a winner of the Nobel Prize in Economics, and years of psychological research on behavior change?  As it turns out, a practical and intuitively-appealing set of steps for increasing care and cooperation amidst the 21st century’s soul-sapping and ecologically damaging selfishness.”