Evaluating an Technology means to determine the value of the R & D project according to the project purpose. By making a precise evaluation on the Technology and examining the quality of project, more useful R & D activities can be promoted. The evaluation system must be reviewed and adjusted so that the system can function more effectively for better understanding, acceptance, and support from Japanese people. The sustainable society cannot be achieved by scientific research and technological development alone. It is more important to accomplish the accountability of the society.