This book provides a comprehensive exploration of environmental hazards, their causes, impacts, and mitigation strategies. Covering geological, hydrometeorological, biological, chemical and anthropogenic hazards, the book examines their interconnections and cascading effects. Through case studies of major disasters, it highlights lessons learned and best practices for disaster risk reduction.Technological advancements, including remote sensing, GIS applications and early warning systems, are explored alongside policy frameworks such as the Sendai Framework and the Paris Agreement. A key focus is on community-based approaches and indigenous knowledge, emphasizing local resilience and sustainability.By integrating scientific research with traditional practices, this book presents holistic solutions for hazard mitigation. Designed for students, researchers, policymakers and environmental professionals, it offers valuable insights into building a safer and more resilient future. As climate change and human activities reshape the planet, this book serves as a critical resource for proactive environmental management.