a. Problems with Emissions Taxes
3. Tradable Pollution Permits: “Cap and Trade”
a. Technological Improvement
b. Problems with Cap-and-Trade Systems
4. Pricing Pollution
E. 17.3 The Challenge of Global Climate Change
- Greenhouse-Gas Emissions
 a. Flows Versus Stocks
 b. The Effect on Global Climate
- The Case for Global Collective Action
 a. The Kyoto Protocol
 b. Performance
 c. Recent UN Agreements
- Energy Use, GDP, and Greenhouse-Gas Emissions
 a. Reducing Global GDP
 b. Reducing the Energy Intensity of GDP
 c. Reducing the GHG Intensity of Energy
 a. The Substitution Approach: Alternative Energy
 b. The Emissions-Prevention Approach: Carbon Capture and Storage
- Significant Policy Challenges
 a. International Tensions
 b. Coherent Climate Policy
 a. A Price on GHG Emissions
 b. Public Support for Technology
 c. Canadian Climate-Change Policy
- Summary
 F. Summary
