CAMBRIDGE, Mass., Sept. 17 /PRNewswire-FirstCall/ -- Verenium Corporation (Nasdaq: VRNM), a leading developer of cellulosic ethanol technology and a pioneer in the development of high performance specialty enzymes, today announced that it will be added to the Nasdaq Clean Edge U.S. Index (CLEN) and the NASDAQ Clean Edge U.S. Liquid Series Index (CELS), effective with the market open on Monday, September 24, 2007.