1. Climate change matters 2. Learning from the past 3. Projecting the future 4. Uncertainty is inevitable, but risk is certain 5. What climate changes are likely? 6. Impacts : why be concerned? 7. Adaptation : living with climate change 8. Mitigation : limiting climate change 9. Climate change in context 10. The politics of greenhouse 11. International concern and national interests 12. Accepting the challenge.