This book highlights a need to engage research and innovation for energy production from waste given the challenges of insufficient electricity in most developing countries. It also highlights current policies and regulations to fast-track development of new technologies for renewable energy in developing countries. The chapters are tailored to support academics, industries and investors with competent approaches for starting groundbreaking projects. Investors will find the book relevant as it gives bearing of the new waste streams and forecast in Africa and the world. The knowledge in it gives channels to the world competent practical solutions in renewable energy. All the gaps related to waste and energy are well identified in South Africa and other selected counties.