It depends on your moral system. If a cause it not apparent to you, than I doubt your moral system would value it. The most universally accepted argument is th

It depends on your moral system. If a cause it not apparent to you, than I doubt your moral system would value it. The most universally accepted argument is that one has an obligation to one's own ancestors to maximize their chances of survival. I consider it to be the asymptotic biological imperative. I've decided not to have children, thus I have an obligation to ensure that everybody else's children have better odds of survival.