This book provides the recent advanced research results of environmental engineering and energy resources, covering the main multidisciplinary research on waste treatment and recycling, ecological environment protection, energy strategy management, etc. The exploitation and extensive utilization of energy and resources result in negative impacts on the environment. Therefore, the use of energy and resources efficiently and eco-friendly has become an urgent research direction in environmental engineering. This book aims to promote scientific information exchange between scholars from universities, research centers, and high-tech enterprises around the world, which is beneficial to researchers and practitioners in the field of environmental engineering.