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Peru
Practice Relating to Rule 147. Reprisals against Protected Objects
Section E. Natural environment
Peru’s IHL and Human Rights Manual (2010) states that reprisals against “the natural environment” are prohibited. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 29(c)(2)(f), p. 234; see also p. 398.