This article review the most important concepts of environment. The right to development and sustainable development has special rules to regular the relationship between people and environment because expending the societies and appear the new facilities for utilization of nature and industrialization changes this relationship. The right to development and sustainable development try to regular the human conduct and make rules to arrangement environmental action. The right to development and sustainable development has bilateral relationship.The right to development means every body have right to promoting and expend his life but this right is not unconditional, because the environment and natural resources belonging to every person and every generations. The environment must be remaining for other people, therefore sustainable development appear and try to focus on the right of people to use of environment and the right of next generations to enjoyment of environment and the duties of present people to save environment for future people. The constitution of islamic republic of Iran in article fifty accepted the right to development and sustainable development. The review of this concepts in Iran's constitution is our reason to write this article.
