Environment is everything that is around us. All living things live in this environment naturally. But, the condition of our environment is depleting regularly. In 21st century, nature/ environment has faced new kind of tragic problems like various types of pollutions, climate change, shrinking natural landscapes, fast vanishing flora and fauna and depleting natural resources, human population explosion and resultant increasing greed, competition, consumerism etc. All these problems have cropped up due to thoughtless exploitation of various natural resources by we people and also due to our egoistic attitude towards nature. These anthropological activities have led the condition to a crisis stage and progress of technology has changed our thinking and life style. Therefore, environment needs its sustainable use and management of natural resources. The various chapters of the book cover all related disciplines of environment and anthropological activities. These chapters include: our environment, population and environment, urbanization stress on environment, consumerism and environmental degradation, society, technology and environment, environment and sustainable tourism, global warming-a byproduct of globalization, climate change and environment, radiation pollution - threat to environment, polythene pollution, toxic tour in homes, foods polluted by chemicals cause havoc, natural resources in 21st century, anthropogenic impact on planet earth, water crisis, rain water management, religious belief and environment protection, women and environmental protection, environmental protection through education, environmental protection and the judiciary, marching towards sustainability, sustainable development- new approach, changing environment: adaptive strategies and technologies. The book will be immense use to the ecologists, conservationists, foresters, NGOs, students, teachers and researchers engaged in environment science.