IV. Future Outlook 27
A. Role of an International Agreement 27
B. Trading Programs under Development 28
C. Impacts of Concurrent Policy and Market Development 32
D. Additional Greenhouse Gas Trading Initiatives 37
E. Potential U.S. Development of a Parallel Trading System and/or
Participation in an International Agreement 39
V. Conclusions 46
Appendix I: Descriptions of Project-Based Programs 48
Appendix II: Descriptions of Corporate Emissions Trading Systems 52
Appendix III: Sample Term Sheet Offering Greenhouse
Gas Reductions 53
Appendix IV: Descriptions of Emissions Trading Systems in Massachusetts,
Denmark, and the United Kingdom 56
Endnotes 61