This book focuses on the connotation and extension of carbon neutrality. It presents a full collection of various topics in carbon neutrality, including carbon production, reduction, utilization, storage, capture, markets, and society, etc. It concludes that carbon neutrality is the pathway to global green and low-carbon sustainable development and the foundation for building harmonious ecological civilization. This book is a valuable reference for researchers, practitioners, and policy-makers in the field of earth and environmental sciences.