The United States Tennis Association started a recycling initiative for the 2008 U.S. Open. That year, approximately 30,000 bottles and cans were recycled at the event. By 2013, more than half-a-million bottles and cans were recycled at the U.S. Open. The USTA, guided by its Senior Manager of Strategic Initiatives, Lauren Tracy, is focusing on showing fans that attend live tennis events that the reuse practices in place really pay off. At the U.S. Open, waste generated from the previous year is recycled as compost to feed flowers on the Open grounds. Tennis ball cans become lanyards the following year. Seventy thousand spent tennis balls are strategically reused.