Nowadays, Environmental issue is getting worse all around the world. Personally, I think each national government should take responsibility for the degradation of the habitat and ecosystem. First of all, Environment problems occur as side effects of urbanism that is usually experienced by the worlds major cities. Secondly, the National state has better authority to solve the problem that rise in each nation. In this essay, I am going to explain that the issues should be taken care of by the national state, not international organizations.