This is a great calendar available for a great cause. Grab one of these free Trees Forever calendars that are available. These calendars are helping to promote the preservation of trees in the US. There are definitely some trees that are worth preserving even if that means a new Walmart can’t be put in its place. I know my city has a 500+ year old tree that we take pride in protecting. Grab one of these calendars and be reminded of the beauty of trees and why they are worth protecting.