#1. Give Africans and Indians condoms to keep them from making the whole planet starve
#2. Build windmills EVERYWHERE. The ocean will be covered in them and have turbines on them to harness the tides.
#3. Try to kill Coal power.
#4. Develop alternative fuels with my endless supply of oil money
#5. Create a 10 mile long Earth->Space launcher that propels objects with magnets and gets them up to exit speed.
#5.5 Develop better rockets so keeping them at exit speed is cheaper
#6. Colonize and strip mine the moon.
#7. Colonise space with the moon minerals
#8. Move those colonies to Mars and asteroid belt
#9. Mine Mars and the Asteroid belt dry

#10. Profit!!!!
#11. Colonize and Conquor the Galaxy