Règle correspondante
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, Japan expressed the view that, “in terms of international law concerning warfare, … the destruction of [the] natural environment [is] prohibited”. 
Japan, Oral pleadings before the ICJ, Nuclear Weapons case, 7 November 1995, Verbatim Record CR 95/27, p. 37.