If I were Mayor, I'd make the world a better place by
No controlling body is interested in making the world a better place. I'd be assasinated before I could do any "damage". Making the world a better place means a vast loss of revenue for many influencial powers. No, that is not the place to look to for a change for the better.
What/who changed my life and why
Learning about Wicca and Druidry. It was a significant part of me that had been missing for a long time.