Abstract
There are many global, local and social problems, such as global warming, shortage of water resource, water pollution, air prolusion, and so on. People also want safe and reliable medical treatment system and healthy life. Therefore, safe and secure society is now strongly desired. In this article, the membrane technologies supporting the safe and secure society will be introduced. First the membrane technologies will be shortly explained, and then the membrane technologies preventing global warming will be introduced. The membrane technologies contribute to restore and maintain water and air environment. Furthermore the membrane technologies supporting safe medical treatment and healthy life will be introduced.
