> "What is the micro thing I can do today, that can have a chance of a macro change tomorrow?"
You could to a small thing, making your home exterior look presentable. By cleaning/improving the outside of your home, you have a positive impact on the rest of the community. After that, you can try helping neighbours improve their homes and the area will slowly improve...
Last time I encountered mentions of [1] was in "Humankind" by Bregman, and there he says it was not really "scientific" experiment, stretched some facts.
You could to a small thing, making your home exterior look presentable. By cleaning/improving the outside of your home, you have a positive impact on the rest of the community. After that, you can try helping neighbours improve their homes and the area will slowly improve...
This is related to the [1] Broken Window Theory.
[1] https://en.wikipedia.org/wiki/Broken_windows_theory#:~:text=....