CO₂ rising: the world's greatest environmental challenge

1. Introducing the CO₂ molecule and its carbon atom

2. From a molecule in beer to the great cycle of carbon in the biosphere

3. The worldwide increase of CO₂

4. Fossil-fuel carbon atoms join the biosphere

5. Carbon's fluxes and its rate of increase

6. Time capsules in ice

7. Wealth, energy, and CO₂

8. How high will the CO₂ go?

9. Reining in the CO₂ increase

10. The ultimate fates of our carbon atoms.