Development is a process of positive changes. However, development among others destroy ecosystem. In such circumstances, sustainable development is a pattern of resources use in such a way that present needs can be met without destroying the ability for the future generations to meet their needs. It comprises of environmental, economic and social sustainability. Does biogas play vital role for theses sustainability? This book, therefore, provides users' perspective on the role of biogas for sustainability. The work suggests existence of an essential role of biogas for sustainable development...