barry petersen explains.t is aspen canyon ranch this is one way to thin out the forest. >> there she goes, beautiful >> >> reporter: people braving rocky mountain chill and a christmas tree the only charge, donation to the delores project which gives shelter for women experiencing homelessness. margy and don mosley hunted deep into the underblus. >> ready for me to cut it? >> yes, look at it from all sides. yes that looks perfect. >> reporter: perfect with a purpose. everybody who's taking home a christmas are tree is in fact contributing to making this a healthier place. >> right. they'll cut a christmas tree in an area that we haven't treated yet. >> reporter: after being a dude ranch and a marijuana b&b, this place went through bankruptcy. going from this to this, spacing the trees and clearing the underbrush to prevent this. >> if there were 100 trees there might be 15 left and they now have space between them and they can grow, they can get water. and so the idea is instead of having a force fire, you cr