This comprehensive handbook provides community psychology approaches to addressing the key issues that impact individuals and their communities worldwide. Featuring international, interdisciplinary perspectives from leading experts, the handbook tackles critical contemporary challenges. These include climate change, immigration, educational access, healthcare, social media, wellness, community empowerment, discrimination, mental health, and many more. The chapters offer case study examples to present practical applications and to review relevant implications within diverse contexts. Throughout, the handbook considers how community psychology plays out around the world: What approaches are being used in different countries? How does political context influence the development and extension of community psychology? And what can nations learn from each other as they examine successful community psychology-based interventions? This is essential reading for researchers, students, practitioners, and policy makers involved with community well-being.