: • Describes advances in remediation and valorization technologies for mining wastes. • Details biotechnological methods, cutting edge research, and applications. • Covers use of waste mining resources for economic growth and novel opportunities. • Discusses IR4.0 and machine learning methods. • Includes reports and case studies on mining waste in value-added products and recovery of strategically important critical minerals. This book will be of value to researchers and advanced students working in the mining, chemical and environmental engineering, and renewable energy sectors.