doutrinário sobre o possível agasalho do princípio ne bis in idem em seara penal ambiental. Palavras-chave: Crimes ambientais. Sanções ambientais. Princípio non bis in idem. Abstract The absence of delimitation between criminal and administrative injuries in environmental subject, followed by the complete assimilation between themas it can be examined in the most important criminal and administrative laws -can produce an genuine bis in idem. To analyze this point, it is necessary to define the

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... eaning, grounds and limits of non bin in idem principle. In this perspective, this article purposes to examine the bis in idem principle from the constitutional point of view in order to stimulate doctrinal controversy on the non bis in idem principle in environmental criminal area.