['I came home and I quickly realized that my neighbors chopped down a tree in my front yard while I was away on vacation.', 'Oh man... that would tick me off.  What did you do?', "I haven't done anything yet because I don't exactly know how to confront him. Maybe chop one of his down? In any event, I am pretty darn upset about it."]
I probably would not chop his tree down.  You want to have the moral high ground.  But yes I would confront him
My neighbors chopped down a tree in my front yard while I was away from my house. I felt so angry and upset.