This book provides an analysis of the state of the environment as viewed by the United Nations organization responsible for the safety and better management of the environment at the global level. It is not meant to be an encyclopaedic study, but rather a succinct one to highlight contemporary arid future environmental issues, especially those of global significance. Based on the work and research of UNEP as well as of well-known international authorities, this volume is an ideal source of reference for environmentalists, governmental agencies, and international organizations dealing with environmental matters and natural resources. It is also suitable as a text for courses on environment