Table of Contents: Preface, Foreword by James A. Van Allen, Abbreviations and Acronyms, Ch. 1 Space as a Frontier, Ch. 2 Space as an Environment, Ch. 3 Earth's Orbital Environment, Ch. 4 Planetary Bodies, Ch. 5 Legal Dimension, Ch. 6 Ethical Dimension, Ch. 7 Scenario A: Develop and Be Damned, Ch. 8 Scenario B: Control and Confine, Ch. 9 Scenario C: Balance and Benefit, Ch. 10 The Case for Protection of the Space Environment, Appendix A: Text of COSPAR Planetary Protection Policy, Appendix B: Texts of Selected Space Law Treaties — The Outer Space Treaty of 1967 and the Moon Agreement of 1984, Index, Supporting Materials