This book covers the multidisciplinary nature of environment, public awareness case studies related to environment, current issues environment and natural changes. The book includes disaster management, mitigation and application of Remote Sensing and GIS for disaster management and environmental changes. It also consists of drawing a long-term policy to overcome the problems of environmental pollution and disaster management. The other important environmental issues that are highlighted are environmental impact assessment studies, environmental health hazards and ecological consequences in relation to the inter-linking of rivers in India. The issues of natural disasters includes landslides, flood and flood control, earthquakes and tsunamis. The book is useful for students and researchers of various disciplines like biology, microbiology, environment, ecology, pedology, geology, geography, hydrologists, remote sensing experts, social sciences, etc and others who are concerned with environment and disaster management. The whole book is divided into 2 parts including 30 chaptePart I covers environmental changes: their causes, impacts and assessment and part II highlights natural disasters: mitigation and management and other related aspects.