The purpose of this study is to analyze: 1 what are the laws and regulations on the environment in Indonesia? 2) How is the enforcement of environmental pollution laws in Indonesia? The method used in this study is the descriptive method of analysis, which is a method that presents an event or symptom systematically, factually with accurate preparation. The results showed that: 1) Environmental management is an integrated effort to preserve environmental functions which include policies for structuring, utilizing, developing, maintaining, restoring, supervising, and controlling the environment. Sustainable development with an environmental perspective is a conscious and planned effort that integrates the environment, including resources, into the development process to ensure the ability, welfare, and quality of life of present and future generations. Ecosystem is an order of environmental elements that is a comprehensive whole unity and influences each other in forming the balance, stability, and productivity of the environment. 2) The Environmental Law enforcement system has regulated all forms of violations and crimes, for perpetrators both committed by individuals and entities with prevention and repressive efforts. In the practice of disputes regarding the environment, the resolution can be through the State Administration Law, Civil Law and Criminal Law.