Book excerpt: Interactions: Energy /Environment is a component of Encyclopedia of Environmental and Ecological Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The volume on Interactions: Energy/Environment focuses largely concerned with strategies for energy linkages to regional and global environmental problems and the implications of those linkages. Although energy's potential for enhancing human well being is unquestionable, conventional energy production and consumption are closely linked to environmental degradation that threatens human health and quality of life and affects ecological balances and biological diversity. The content of the theme provides the essential aspects and a myriad of issues of great relevance to our world such as: Environmental Effects of - Fossil Fuel Combustion; Nuclear Power Production; Use of Renewable Energy Resources and Effects of Energy Production on Human Health, which are then expanded into multiple subtopics, each as a chapter. This volume is aimed at the following five major target audiences: University and College students Educators, Professional practitioners, Research personnel and Policy analysts, managers, and decision makers and NGOs