The Turkish Green Crescent Society which is in Special Consultative Status with the United Nations Economic and Social Council (ECOSOC), and United Nations Environment Programme (UNEP) is:
- a member of the Civil Society Forum on Drugs (CSFD)
- a member of the European Federation of Therapeutic Communities (EFTC),
- a member of the European Network for Smoking and Tobacco Prevention (ENSP)
- a member of the Board of Directors of the Europe for Action on Drugs (EURAD),
- a member and Special Advisor to the Board of Directors of the European Alcohol Policy Alliance (EUROCARE),
- the president of the Addiction Working Group, consisting of doctors from many countries, within the body of the Federation of Islamic Medical Associations (FIMA),
- a member of the Global Alliance for Tobacco Control (GATC)
- a member of the İbn-i Sina Health Association, established to carry out activities in the field of health politics within the Islamic Cooperation Organization (OIC),
- a member of the International Federation of Non-Government Organisations for the Prevention of Drugs and Substance Abuse (IFNGO).
- A member of the International Society of Addiction Journal Editors (ISAJE)
- A member of the Stop Tobacco Policy Alliance (STPA)
- General Assembly member of the Turkish National Commission for UNESCO
- a member of the Vienna NGO Committee on Drugs, and the Civil Society Task Force CSTF Representative of Eastern Europe and Central Asia,
- a member of the World Federation Against Drugs (WFAD)