Contents: Preface Part I: Introduction 1. The Questions 2. The Scientific Context 3. Outlook Part II: Economic Systems 4. Introduction to Part Two 5. Economic Processes 6. On Solving the First Fundamental Equation 7. Towards Concrete Tools for Environmental Analysis and Decision-Support: Inventory Analysis Part III: The Environment 8. Introduction to Part Three 9. Environmental Processes 10. Environmental Impacts 11. The Environmental Problem 12. Towards Concrete Tools for Environmental Analysis and Decision-Support: Impact Analysis Part IV: Conclusion 13. The Answers 14. Further Reflections 15. Summary of Findings References Index