Environmental protection is considered as one of the basic values ​​of society and one of the concerns of international law. Despite the differences that countries have in their approach to the issue of the environment, they all agree on one thing: the importance of conservation. Following these concerns, a large number of international instruments related to environmental protection have been visualized and implemented, and the same trend is observed in international law. In this regard, legal and criminal protection of the environment is a priority of the measures taken. It is clear that by identifying the harmful factors to the environment and determining the guarantee of appropriate performances, the severity of the damage can be reduced to some extent and the future of the environment can be hoped for. In this paper, descriptive-analytical method of environmental crimes and the performance of the penal system in dealing with these crimes in international and domestic law are examined. Finally, it seems that the expansion of cooperation and interaction between governments in the international arena, as well as the establishment of authoritative and fundamental rules with the necessary legitimacy, in the form of an independent and specialized basic structure in this field can be an effective action to achieve Complete goals in this area.