22. Political intervention- moderating peace talks
- crushing all weapons of two armies advancing on each other
- relocating nuclear missiles of all countries into the sun
- save the President from being killed/kidnapped/blackmailed
- fly for President
23. Space related- saving a space program
- boosting a rocket
- save a space shuttle from burning up in Earth's atmosphere
- do some major repairs on a space station
- offer his tiny space ship (once he finds it, that is) to STAR Labs so they can figure out how it works. (Hyper light drive, anyone?)
- helping to colonize a new planet (far in the future, probably for Clark's descendants)
- mining for precious minerals on nearby asteroids
24. Environmental stuff- oil spills
- clean up nuclear waste
- stopping the meltdown of a nuclear plant (imagine Clark in Fukushima)
- blowing cooling breath over the arctic to save polar bears
- messing with El Niño or La Niña to stop draughts and stuff from happening
- stopping draughts
- keeping the Gulf Stream and North Atlantic Drift going despite global warming. (All he'd have to do is swimm a couple of hundred laps to keep the water moving...)
That's all I can think of right now.