The cover of Preservation Magazine proclaims this month that “Old is the New Green.” It’s an interesting concept on a lot of fronts, especially in the way it undercuts the idea floating around out there that we can shop our way to sustainability. Sustainability, and being green, aren’t about buying clothing made from bamboo (which is really just rayon, the manufacturing of which brings a host of problems) or changing the lightbulbs, or well, buying different stuff instead of the stuff we’ve been buying all along. We’ve got to start thinking about ways to NOT buy stuff. To buy less…