Azerbaijan - Ministry of Ecology and Natural Resources
Albania - Ministry of Economy, Trade and Energy
- Ministry of Environment, Forestry and Water Administration
Armenia - Ministry of Energy and Natural Resources
- Ministry of Nature Protection
Bulgaria - Ministry of Economy, Energy and Tourism
- Ministry of Environment and Water
Georgia - Ministry of Energy
- Ministry of Environment Protection and Natural Resources
Hellas - Ministry of Environment, Energy and Climate Change
Kazakhstan - Ministry of Energetic and Mineral Resources
- Ministry of Environment Protection
Moldova - Ministry of Economy
- Ministry of Environment
Romania - Ministry of Economy, Commerce and Business Environment
- Ministry of Environment
Russian Federation - Ministry of Energy
- Ministry of Natural Resources and Environmental Protection
Serbia - Ministry of Mining and Energy
- Ministry of Environment and Spatial Planning
Turkey - Ministry of Energy and Natural Resources
- Ministry of Environment and Forest
Ukraine - Ministry of Environmental Protection