The Tokyo Metropolitan Government has held meetings for businesses concerned to explain the full-scale launch of its emission trading system. This system, scheduled to begin in fiscal 2010, will require large businesses located in Tokyo, such as those consuming at least 1,500 kiloliters of energy (in oil equivalent) a year, to reduce their total greenhouse gas emissions. Under the system, if a company does not achieve its target reduction within five years, it is required to offset the balance by means of emission trading. The meetings were held four times, and a total of 5,000 people participated. At the meetings, the metropolitan government explained criteria to determine target businesses, methods to set emission standards, and details of the emission trading system as a means of implementing mandatory total emission reductions. Tokyo also plans to improve guidelines for emission calculations, etc., and begin a new system to register certification bodies. In addition, it will also launch a program targeted at a total of 690,000 small- and medium-sized enterprises (SMEs) in Tokyo, under which they will voluntarily report their measures against global warming.