The depletion of various ecological resources and the adverse effects of climate variability have compelled different governments and organizations to monitor the utilization of ecological resources. This book attempts to provide a detailed examination of the topics related to this field such as optimization and management of ecological resources, impact of climate change, environmental policy analysis, tools and techniques for ecological risk assessment, etc. It is a collective contribution of internationally acclaimed experts with an aim to bring forth new topics for research and analysis. A number of latest case studies have been included to keep the readers up-to-date with the global concepts in this area of study.