TIGER

6.1. Atmospheric Carbon Dioxide Concentration over Time
6.2. What Is the Greenhouse Effect?
6.3. Why Worry about Carbon Dioxide?
6.4. Other Greenhouse Gases
6.5. Sources of Greenhouse Gases
6.6. What Do We Know for Sure about Global Warming?
6.7. Consequences of Global Warming--Good or Bad?
6.8. The Kyoto Conference Addresses Global Warming
6.9. Possible Responses to Global Warming