The Environmental Modification Convention (ENMOD), formally the Convention on the Prohibition of Military or Any Other Hostile Use of Environmental Modification Techniques is an international treaty prohibiting the military or other hostile use of environmental modification techniques.
Signed in Geneva May 18, 1977
Entered into force October 5, 1978
Ratification by U.S. President December 13, 1979
U.S. ratification deposited at New York January 17, 1980
Guided by the interest of consolidating peace, and wishing to contribute to the cause of halting the arms race, and of bringing about general and complete disarmament under strict and effective international control, and of saving mankind from the danger of using new means of warfare.