Spinster culture for centuries. They are the "aanissat" in Arabic, "spinsters" or "old maids" in English, "vieilles filles" in French, "zitelle" in Italian, "alte Jungfer" in German, or "dakhtar torsheedeh" in Persian. In Australia, parties are held for young single people to meet and socialize (particularly in the rural areas). These events are known as Bachelor and Spinster Balls or colloquially "B and S Balls". There is also a philanthropic group of women between the ages of 21 and 35, called the Spinsters of San Francisco, who organize events. By the 2010s, interest developed in this word as a form of
White certificates for an obligation. The third phase runs from April 2008 to December 2012 and is intended to deliver 185Mt lifetime savings by 2012. Connecticut, Pennsylvania, and Nevada have adopted Energy Efficiency Portfolio Standards that require regulated utilities to meet a certain percentage of their projected power needs through energy efficiency. Utilities must meet their obligations by either reducing their consumers’ energy usage, or by purchasing energy efficiency certificates (white certificates). More states are expected to follow in the near future. There is also a voluntary market where large corporations are purchasing energy efficiency certificates as a way of meeting their