The present book is divided into two parts. The first part of the book covers environmental studies, covering the multidisciplinary subject, natural resources, ecosystems, biodiversity and its conservation, environmental pollution, social issues and the environment and human population and the environment. In the second part disaster management have been covered with emphasis on - introduction to disasters, man-made disasters, disaster management and COVID-19 and its impact on environment. This book will be highly useful for the students undergoing the course of environmental studies and disaster management. This book is intended to give easy readability, and it covers almost all the basic aspects of Environmental Science and Disaster Management. We hope that this book will be of greater use for the students of undergraduate courses of Indian Universities, researchers and policy makers interested in improving the environmental quality.