Rather than throwing out old pipe or metal from around the house. I.E. Washer - Dryer - Fridge
Put it out for the folks trolling around for Scrap....they make a living at it and it helps them
I am too busy to go the the recycle yard and wait in line. So I save mine for a neighbor that is very appreciative.
Occasionally she will make me an authentic Cambodian meal!
Use the recycle bins instead of trash.
The city makes some $s from it.