This book focuses on engineering-related disasters, particularly traffic accidents. And within the framework of traffic accidents, those caused by motorcycles are focused in the Morogoro region. This book has also dealt with meteorological, biological and human catastrophes. And right now, a hot topic is climate change. This book has brought together two hot climate change issues on COVID-19, a biological catastrophe. It is a modern approach that examines whether climate change is related to the development and emergence of COVID-19. This book has briefly examined this aspect. Another aspect of disasters covered in this book is disaster relief. Disaster response limits the negative impact of hazards to save lives and property. This book has attempted to discuss the practice of dealing with accident victims in Tanzania and how this should be dealt with. Another aspect covered in this book is the issue of suicide. It is among the public health threats on Earth today. This book discusses the causes and management of suicide around the world. The last point dealt with concerns the risk component of the traffic accident.