The present book highlights the importance of material flow analyses for both life cycle assessments and eco-audits. It presents practical examples with concrete results. Thus, the title offers an ideal introduction for anyone involved in material flow analyses or material flow networks in their professional activities. It supports employees of companies tasked with creating environmental management balances and/or product life cycle assessments. The book provides practical assistance in preparing environmental management balances and product life cycle assessments within the framework of an eco-audit. Practical examples with concrete results facilitate the entry into the topic.