opened for signature - December 10 1976
entered into force - October 5 1978
objective - to prohibit the military or other hostile use of environmental modification techniques in order to further world peace and trust among nations
parties - (66) Afghanistan, Algeria, Antigua and Barbuda, Argentina, Australia, Austria, Bangladesh, Belarus, Belgium, Benin, Brazil, Bulgaria, Canada, Cape Verde, Chile, Costa Rica, Cuba, Cyprus, Czech Republic, Denmark, Dominica, Egypt, Finland, Germany, Ghana, Greece, Guatemala, Hungary, India, Ireland, Italy, Japan, North Korea, South Korea, Kuwait, Laos, Malawi, Mauritius, Mongolia, Netherlands, New Zealand, Niger, Norway, Pakistan, Papua New Guinea, Poland, Romania, Russia, Saint Lucia, Saint Vincent and the Grenadines, Sao Tome and Principe, Slovakia, Solomon Islands, Spain, Sri Lanka, Sweden, Switzerland, Tajikistan, Tunisia, Ukraine, United Kingdom, United States, Uruguay, Uzbekistan, Vietnam, Yemen
countries that have signed, but not yet ratified - (17) Bolivia, Democratic Republic of the Congo, Ethiopia, Holy See, Iceland, Iran, Iraq, Lebanon, Liberia, Luxembourg, Morocco, Nicaragua, Portugal, Sierra Leone, Syria, Turkey, Uganda
Source: CIA World Factbook, 2003 edition
see also environmental agreements, arms control agreements, the text of the agreement (PDF) , the text of the agreement (ASCII)