This UN Environment report sets out a four-step strategy roadmap for fostering and communicating sustainable lifestyles, illustrated by 16 initiatives and campaigns from around the world. The report details eight operating principles and tips on how to apply them. The ultimate goal is to create tangible changes in the way people live their daily lives. This is the full report which includes concluding reflections; details on the principles; a workshop summary; and suggested additional resources. Cases explore how sustainable lifestyle campaigns intersect with key aspects of meeting core domain needs around food, shelter, mobility, leisure time, and human connections.