Action 2866

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Membership Information for: Convention On The Prohibition Of Military Or Any Other Hostile Use Of Environmental Modification Techniques

Signed: 1977-05-18; Entered into force: 1978-10-05; Terminated:
Source for membership data: http://disarmament.un.org/treaties/t/enmod
Date of last download from source: 2023-05-17
This is the IEADB's most current data on signature, ratification, entry into force, and other membership actions. The IEADB updates this data approximately once a year and tries to ensure it is current and accurate. For the most current data, visit the United Nations Department of Disarmament Affairs website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Ratification, Accession, Succession, or Similar Nicaragua 2007 9 6
Ratification, Accession, Succession, or Similar Niger 1993 2 17
Ratification, Accession, Succession, or Similar Norway 1979 2 15
Ratification, Accession, Succession, or Similar Pakistan 1986 2 27
Ratification, Accession, Succession, or Similar Palestine, Occupied Territories 2017 12 29
Ratification, Accession, Succession, or Similar Panama 2003 5 13
Ratification, Accession, Succession, or Similar Papua New Guinea 1980 10 28
Ratification, Accession, Succession, or Similar Poland 1978 6 8
Ratification, Accession, Succession, or Similar Romania 1983 5 6
Ratification, Accession, Succession, or Similar Russian Federation 1978 5 30
Ratification, Accession, Succession, or Similar Saint Lucia 1993 5 27
Ratification, Accession, Succession, or Similar Saint Vincent and the Grenadines 1999 4 27
Ratification, Accession, Succession, or Similar Sao Tome and Principe 1979 10 5
Ratification, Accession, Succession, or Similar Slovakia 1993 5 28
Ratification, Accession, Succession, or Similar Slovenia 2005 4 20
Ratification, Accession, Succession, or Similar Solomon Islands 1981 6 19
Ratification, Accession, Succession, or Similar Spain 1978 7 19
Ratification, Accession, Succession, or Similar Sri Lanka 1978 4 25
Ratification, Accession, Succession, or Similar Sweden 1984 4 27
Ratification, Accession, Succession, or Similar Switzerland 1988 8 5
Ratification, Accession, Succession, or Similar Tajikistan 1999 10 12
Ratification, Accession, Succession, or Similar Tunisia 1978 5 11
Ratification, Accession, Succession, or Similar Ukraine (Soviet period) 1978 6 13
Ratification, Accession, Succession, or Similar United Kingdom 1978 5 16
Ratification, Accession, Succession, or Similar United States 1980 1 17
Ratification, Accession, Succession, or Similar Uruguay 1993 9 16
Ratification, Accession, Succession, or Similar Uzbekistan 1993 5 26
Ratification, Accession, Succession, or Similar Viet Nam 1980 8 26
Ratification, Accession, Succession, or Similar Yemen, Arab Republic 1977 7 20
Ratification, Accession, Succession, or Similar Yemen, Democratic 1979 6 12
Entry Into Force Afghanistan 1985 10 22
Entry Into Force Algeria 1991 12 19
Entry Into Force Antigua and Barbuda 1988 10 25
Entry Into Force Argentina 1987 3 20
Entry Into Force Armenia 2002 5 15
Entry Into Force Australia 1984 9 7
Entry Into Force Austria 1990 1 17
Entry Into Force Bangladesh 1979 10 3
Entry Into Force Belarus (Soviet period) 1978 10 5
Entry Into Force Belgium 1982 7 12
Entry Into Force Benin 1986 6 30
Entry Into Force Brazil 1984 10 12
Entry Into Force Bulgaria 1978 10 5
Entry Into Force Cameroon 2011 4 18
Entry Into Force Canada 1981 6 11
Entry Into Force Cape Verde 1979 10 3
Entry Into Force Chile 1994 4 26
Entry Into Force China 2005 6 8
Entry Into Force Costa Rica 1996 2 7
Entry Into Force Cuba 1978 10 5
Entry Into Force Cyprus 1978 10 5
Entry Into Force Czechia 1978 10 5
Entry Into Force Denmark 1978 10 5
Entry Into Force Dominica 1992 11 9
Entry Into Force Egypt 1982 4 1
Entry Into Force Estonia 2011 4 14
Entry Into Force Finland 1978 10 5
Entry Into Force Germany 1983 5 24
Entry Into Force Germany, Former GDR 1978 10 5
Entry Into Force Ghana 1978 10 5
Entry Into Force Greece 1983 8 23
Entry Into Force Guatemala 1988 3 21
Entry Into Force Honduras 2010 8 16
Entry Into Force Hungary 1978 10 5
Entry Into Force India 1978 12 15
Entry Into Force Ireland 1982 12 16
Entry Into Force Italy 1981 11 27
Entry Into Force Japan 1982 6 9
Entry Into Force Kazakhstan 2005 4 25
Entry Into Force Korea, Democratic People's Republic 1984 11 8
Entry Into Force Korea, Republic of 1986 12 2
Entry Into Force Kuwait 1980 1 2
Entry Into Force Kyrgyzstan 2015 6 15
Entry Into Force Laos 1978 10 5
Entry Into Force Lithuania 2002 4 16
Entry Into Force Malawi 1978 10 5
Entry Into Force Mauritius 1992 12 9
Entry Into Force Mongolia 1978 10 5
Entry Into Force Netherlands 1983 4 15
Entry Into Force New Zealand 1984 9 7
Entry Into Force Nicaragua 2007 9 6
Entry Into Force Niger 1993 2 17
Entry Into Force Norway 1979 2 15
Entry Into Force Pakistan 1986 2 27
Entry Into Force Palestine, Occupied Territories 2017 12 29
Entry Into Force Panama 2003 5 13
Entry Into Force Papua New Guinea 1980 10 28
Entry Into Force Poland 1978 10 5
Entry Into Force Romania 1983 5 6
Entry Into Force Russian Federation 1978 10 5
Entry Into Force Saint Lucia 1993 5 27
Entry Into Force Saint Vincent and the Grenadines 1999 4 27
Entry Into Force Sao Tome and Principe 1979 10 5
Entry Into Force Slovakia 1993 5 28
Entry Into Force Slovenia 2005 4 20
Entry Into Force Solomon Islands 1981 6 19
Entry Into Force Spain 1978 10 5
Entry Into Force Sri Lanka 1978 10 5
Entry Into Force Sweden 1984 4 27
Entry Into Force Switzerland 1988 8 5

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Membership status is coded as follows:

  • Countries listed are those that have signed and/or ratified the IEA in question.
  • Legend:
    • 0 (pink): Signer: country signed but did not ratify IEA. Status is 0 for all countries until IEA enters into force.
    • 1 (yellow): Ratifier: country signed and ratified IEA but IEA had not entered into force. Status is 1 for countries that have ratified until IEA enters into force.
    • 2 (green):Member: country signed and ratified IEA and IEA has entered into force for that country.
    • Ratifier row is count of states that have ratified.
    • Membership row is count (not sum) of members.
  • If membership data source lacks entry into force date, membership is inferred from year of ratification, if that year occurs after entry into force year of IEA.
  • Status can return to 0 if an IEA is terminated or if a country withdraws. In rare cases, countries later re-join IEAs, with their status returning to 2.
  • Action tab: membership by Action, Country, Year, Month, Day.
  • Wide tab: Annual status data (countries as rows, years as columns).
  • Long tab: Annual status data in Stata format (Country, Year, Membership Status).