Bonus - if you are able to do so successfully, come back here and link it.
although the circumstances they allow you to help with might not be the exact ones that first attracted your interest and concern.
Edit: although I think they do share, and allow people to act on, something pretty much like your intuition:
> How much help even $100 would be some of these places, if only it could get there.
Yeah, well, I'm human enough to have those impulses but also know it's good to help anyone, really, and that satisfying myself isn't the point. So thanks for the link, I'll check them out.