Related Rule
Colombia
Practice Relating to Rule 45. Causing Serious Damage to the Natural Environment
Colombia’s Basic Military Manual (1995) states that “the use of weapons which cause unnecessary and indiscriminate, widespread, long-term and severe damage to persons and the environment” is prohibited. 
Colombia, Derecho Internacional Humanitario – Manual Básico para las Personerías y las Fuerzas Armadas de Colombia, Ministerio de Defensa Nacional, 1995, pp. 49–50.
Colombia’s Penal Code (2000) imposes a criminal sanction on “anyone who, during an armed conflict, uses methods or means of warfare which are intended to cause widespread, long-term and severe damage to the natural environment”. 
Colombia, Penal Code, 2000, Article 164.