One of the most profound changes for me was becoming a vegan rather than only vegetarian. Learning more about the dairy, chicken egg and bee product industries was the impetus. Isn’t it interesting that when one searches for information rather than accepting what you grew up with, one’s thinking often changes?
A short list of absolutely free and simple things everybody can do, some so simple that we sometimes forget. A quiet example can have positive affects that we may never know about. It’s often difficult to bite your tongue (as I know so well) and that’s where a gentle suggestion and doing your personal best may do the trick.