***33. [The conference] Invites interested entities to submit
methodologies, considering the current work of the Executive Board and
the Subsidiary Body for Scientific and Technological Advice, on new
technologies that have the potential to reduce in net terms the
concentration of carbon or carbon dioxide already in the atmosphere;
Full text of this decision here http://unfccc.int/files/meetings/cop_15/application/pdf/cmp5_cdm_auv.pdf