Abstract: In international relations, national security is regarded as an important concept. The sovereignty, territorial integrity has been linked with national security. Traditionally concept of national security has been military in nature. Since the end of Cold war world is facing security risk from non traditional areas. Today as the world is becoming more interconnected so are our security threats. This paper discusses two emerging threats to national security environmentaland human security.

Keywords:National security, Non Traditional, Globalisation,Environmental security, Human Security.