* and pays lots of money
I am willing to settle for two of three.
Useful: Makes some kind of positive difference somewhere in the world. It does not have to be a big difference; it does not have to be a large part of the world. Useful things I have done in the past: taught students of various ages; walked dogs at an animal shelter; random one-shot volunteering.
Interesting: Has some variety; not doing the exact same thing for a year. Pleasant to think about. Challenging. Requires at least some mental effort on my part.
Pays lots of money: Relatively self-explanatory.
Beyond this, I am kind of lost. I have a Bachelor of Science in biology, with a specialization in ecology, evolution, and conservation, that I would very much like to use. I have a surprisingly large amount of education background for someone without any formal training, and I do like explaining things.
I think I should probably narrow things down a bit past "Something vaguely sciency," but I'm not sure how to go about doing that. What are the questions I ought to be asking myself?