I have two issues in my yard but both are centered around the same question.
If a neighbor has a tree, vines, weeds, whatever - that they are not taking care of and these things are constantly creeping in my yard what can I do about it?
Example #1 - Left side neighbor - Has a 50 foot run of just weeds and vines. These things can look like a jungle in a couple weeks. Also there is poison ivy/oak growing inside this. The neighbors don't care and I am constantly keeping the poison ivy and vines out of my yard. If I let it go for a few weeks they are attacking my walnut tree about 10 feet from property line.
Example #2 - Back of the yard has a chain link fence. Not totally sure who owns the fence since it it shared. But the owner has let thick vines and trees grow in the fence from their side and basically ruined the fence - good 100 foot section. Again we have issues here with poison ivy and have a hard time keeping it clean because so much of the stuff is starting in neighbor's yard.