I remember my dad chasing people down the street because they threw their trash out of their car window. I was embarrassed then, but as I got older, I grew to admire his guts to do what he did. (this was back in the late 60's and early 70's)
Most would bull up, but quickly back down and do the riight thing. I guess when you have a 220 lb half Italian and Cherokee Indian in your face, you weigh your opinions pretty quick.
He cleared a spot of land in Eastern part of Oklahoma to make it into a Pecon Grove. People will dump their trash off the bridge into the creek there. He would look through it, an usually they would have an old bill or letter inside telling where they lived. He would gather it up, put it in his truck and take it back to them. He's on the Sheriff patrol as a Volunteer. Their bad habits change pretty quick when a few County boys pull up in the drive way with a truck load of their trash.
He not saving a polar bear, or diving miles under the ocean, but I would say he doing his part.