The carbon cycle chapter of the Strategic Plan for the U.S. Climate Change Science Program (CCSP) describes a plan to produce "...a series of increasingly comprehensive and informative reports about the status and trends of carbon emissions and sequestration," each to be called a State of the Carbon Cycle Report (SOCCR). The Carbon Cycle Interagency Working Group's (CCIWG) Terms of Reference (TOR)1 for a first SOCCR elaborated this in June 2003, saying...