Соответствующая норма
Practice Relating to Rule 45. Causing Serious Damage to the Natural Environment
Benin’s Military Manual (1995) states that it is prohibited “to use means and methods of warfare which are likely to cause widespread, long-term and severe damage to the natural environment”. 
Benin, Le Droit de la Guerre, III fascicules, Forces Armées du Bénin, Ministère de la Défense nationale, 1995, Fascicule III, p. 12.