A - M
- Asia-Pacific Centre for Environmental Law
- CEDAR (Central European Environmental Data Request Facility)
- CIESIN (Center for International Earth Science Information Network)
- Cleaner Production in China
- EEA(European Environment Agency)
- EEAA(Egyptian Environmental Affairs Agency)
- ELDIS(the Electoronic Development and Environment Information Sysytem)
- ERIN (Environmental Resources Information Network): Australian Government Department of Sustainability, Environment, Water, Population and Communities
- European Centre for Nature Conservation
- Finland's environmental administration
- France Ministere l'Environnement
- GCRIO (US Global Change Research Information Office)
- German, Federal Ministry for the Environment, Nature Conservation and Nuclear Safety
- IIASA (International Institute for Applied Systems Analysis)
- IISD (International Institute for Sustainable Development)
- Israel, Ministry of Environment Protection
- ITTO (International Tropical Timber Organization)
- Korea, National Institute of Environmental Research
- Ministry of Smart Administration and Regional Development Republic of Latvia
- Macedonia, Ministry of Environment and Physical Planning
- Malaysia, Department of Environment, Ministry of Natural Resources and Environment
- Malta, Ministry for Resources and Rural Affairs
- Ministry of the Environment of the Czech Republic
- Ministry of the Environment of the Republic of Lithuania
N - Z
- New Zealand, Ministry for the Environment
- NOAA-Environmental Information Services
- OECD (Organisation for Economic Co-operation and Development)
- REC (The Regional Environmental Center for Central and Eastern Europe)
- Slovak Environmental Agency
- Slovenia, Ministry of the Environment and Spatial Planning
- Swedish Environmental Protection Agency
- UNDP (United Nations Development Programme)
- UNEP (United Nations Environment Programme)
- UNFCCC(United Nations Framework Convention on Climate Change)
- UK, Environment Agency
- US Environmental Protection Agency
- WHO (World Health Organization)
- WMO (World Meteorological Organization)
- World Bank Group