- European Environment and Sustainable Development Advisory Councils (EEAC)
- Belgium - Federal Council for Sustainable Development Belgium
- Catalonia - Advisory Council for the Sustainable Development of Catalonia
- Flanders - Environment and Nature Council of Flanders
- France - National Council for Ecological Transition
- Germany - German Advisory Council on the Environment
- Germany - German Advisory Council on Global Change
- Germany - German Council for Sustainable Development
- Hungary - National Council for Sustainable Development
- Ireland - The National Economic and Social Council
- Luxembourg - National Council for Sustainable Development
- Montenegro - National Council for Sustainable Development and Climate Change
- Portugal - National Council on Environment and Sustainable Development
- Netherlands - Council for the Environment and Infrastructure