The theme of environmental protection at the international level dresses very special interest, and it in light of substantial damage to the planet, and the ecological and financial losses that result. Therefore, this article raises the inescapable problem attached to answer the following questions: What is the legal framework for environmental protection at the international level? Is there a real protection of the environment at the international level through the implementation of this legislation at the time of injury affecting the international environment? And finally, can we make a critical assessment of the failure of international environmental law? To better understand this topic two components seem essential to mention, namely, a study of protective legal regime of international environmental law, and the implementation of environmental legislation in the context of injury related to the international environment through the study of a criminal trial on the damage to the environment.