An estimated 3.5 billion wire hangers go into U.S. landfills every year, and they sit there for over a hundred years. That does not count the 1.25 million hangers in my closet at home. Leave it to American ingenuity to identify a problem and turn it into an advertising campaign. A New York company, EcoHanger®, is making a 100%-recyclable, biodegradable clothes hanger made of paper.