- Vienna Convention for the Protection of the Ozone Layer
- It is multilateral environment agreement
- Opened for signature in 1985
- Entered into force in 1988
- Ratifiers : 197 (Universal)
- It acts as a framework for the international efforts to protect the ozone layer. However, it does not include legally binding reduction goals for the use of CFCs, the main chemical agents causing ozone depletion. These are laid out in the accompanying Montreal Protocol.