Introduction: The "New Institutionalism" in International Relations -- 1. International Environmental Governance -- 2. Negotiating a Global Climate Regime -- 3. Managing the Arctic's Shared Natural Resources -- 4. Institutional Bargaining: Creating International Governance Systems -- 5. Bargaining Leverage versus Structural Power in the Formation of Governance Systems -- 6. The Effectiveness of International Governance Systems -- 7. Governance Systems and International Organizations -- 8. Governance Systems and International Legal Regimes