Related Rule
Marshall Islands
Practice Relating to Rule 43. Application of General Principles on the Conduct of Hostilities to the Natural Environment
In its oral pleadings before the ICJ in the Nuclear Weapons case in 1995, the Marshall Islands referred to the environmental damage caused by the use of nuclear weapons, remarking that such damage “should not be regarded as necessary to the achievement of military objectives”. 
Marshall Islands, Oral pleadings before the ICJ, Nuclear Weapons case, 14 November 1995, Verbatim Record CR 95/32, p. 22.