Factors that contribute to CO2 emission.
Theres little we can do about
1. Population - increases with time.
2. Services Per Person - increases with time.
But, we can make a difference in
3. Service Per Energy - by better energy saving inventions.
4. CO2 Per Unit Energy - reduce carbon emission, with renewable energies, Nuclear energies.
Finally, not just Bill Gates's wish. I'm sure is everyone else's wish.