Estonia has joined the following conventions:
- Conventions regarding the protection of seas and sea pollution
- Conventions regarding the protection of internal waters
- Fisheries' conventions
- Conventions regarding hazardous waste
- Conventions on nature conservation
- Conventions regarding the prevention and avoidance of atmosphere pollution
- Conventions regulating nuclear issues
- Stockholm Convention on Persistent Organic Pollutants
- Convention to Combat Desertification
- Aarhus Convention
- Espoo Convention
Multilateral contracts and agreements on the environment:
- Agreement on cooperation between the State Committee of Environmental Protection of Latvia, the Environmental Protection Department of Lithuania and the Ministry of the Environment of Estonia on environmental protection and regulation of the use of natural resources (Tallinn, Riga and Vilnius on 10, 17 and 19 December 1990, respectively).
- Agreement on the environmental co-operation between The Government of the Republic of Estonia, The Government of the Republic of Latvia and the Government of the Republic of Lithuania (Tallinn, 21 July 1995).
- Memorandum of co-operation between Estonia, the United Kingdom, Denmark, Finland, Italy, the Netherlands, Norway, Slovenia, Lithuania, Sweden and Ireland on creating the Emissions Registry (Tallinn, 15 November 2004).
Bilateral environmental agreements can be divided into three:
- Framework agreements normally play a pioneering role in certain areas in the relations between two countries. Environmental framework agreements regulate the principles, areas and forms of co-operation as well as institutions responsible for developing further co-operation based on the principles of sustainable development.
- Agreements on fisheries regulate the protection and principles of fishing and fish stocks, fishing regions, conservation of resources, principles of protection and use, principles of scientific and other research conduct, principles of access to resources, etc.
In addition, the agreement regulates the institutions responsible for the implementation of the agreements and further co-operation as well as the principles of consultations. Specific fishing quotas are agreed on based on separate protocols.
- Other agreements regulating the environmental sectors.