All of those are boring technical problems, all of which can be solved with the application of money. Only physics is standing in the way. The Earth problems,

All of those are boring technical problems, all of which can be solved with the application of money. Only physics is standing in the way. The Earth problems, though, are a great deal more complicated. Even a sufficiently large checkbook can't solve world hunger. Also, your whole "half the population won't admit to global warming" is some feelgood TED bullshit...I'm betting waaaay fewer than 3B (that's billion) people even remotely give a shit about the climate beyond whether or not it's going to be raining.