We are the first human generation to face the limit of natural capital,“ resources and environment”. We recognize that our economy and future are at great risk due to the degradation of global environment and the depletion of natural resources on land. At a time when on-land mining faces ever increasing environmental concerns and policy makers are confronted with increasing more difficult land-use priorities, it behooves us to develop prominently rich sub-sea resources in the EEZ of Japan, the world 6th large area, because of concern over homeland security in terms of selfsufficiency in critical and strategic minerals demand.