My activism involves forming and working with organizations, writing, and teaching. It's a pretty important and meaningful part of my life. More on my activism below. More on my activism. Positive social change comes primarily from social movements that have a fundamental concern with the welfare of subordinated people.
Viable alternatives exist and are ready for implementing, or at least testing.
You can also see all this empirically if you look. One should seriously endeavor to make the world a better place, insofar as it does not critically undermine one's basic needs to be a happy person. This is a purely moral premise, but one derived, I think, from generally shared values. I'd be happy to elaborate or discuss any or all of it. Just let me know.