Abstract
To recover the damaged environment and ecosystem of the earth, we should search and discover broader domain knowledge which is common among different domain knowledges, and through it, we should maintain continuity between every diverse activities of human beings to live, that is, we have to let those activities not be inconsistent with each other to economize the amount of resource and energy.
The characteristic of brain's information processing function is maintaining continual understanding and practice to the living environment by the process to realize concurrent optimization of each part and the whole between plural diverse and different domain knowledges in order to discover common broader domain knowledge to put it into practice.
