Human actions across the past few centuries have led to a depletion of the world's natural energy sources, as well as large scale environmental degradation. In the context of these current global issues, this book covers the latest research on the application and use of microbes in topical areas such as bioremediation and biofuels. With chapters covering environmental clean-up, microbial fuel cells and biohydrogen, it provides a comprehensive discussion of the latest developments in the field of microbe utilization.