Global governance in the environmental context is not confined to dogma of centralised world government but includes in its ambit the people, political institutions, regimes and NGOs at all levels of public and private policy making that are collecting responsible for managing world in a sustainable and rational manner. Sincere deliberations held all over the world, charting out definite policies towards achievement of this aim and appealing to world community to work in unison for achievement of environmental objectives. The present book makes a thorough investigation into history and intensity of environmental problems and concerns facing our planet along with numerous political and economic issues having bearing on health of environment. The book also describes concepts, techniques, strategies and policies for understanding, identifying and assessing the impact of these problems and comes out with definite policies towards remediation or mitigation of these impacts so that sustainable development and growth is achieved. This sincere attempt at global environmental concerns and policies is of utmost importance to students, teachers, environmentalists, policy framers and general readers.