Publisher
- World Resources Institute11
- International Livestock Research Institute5
- Food and Agriculture Organization of the United Nations2
- BirdLife International1
- Birdlife International1
- Danmarks og Grønlands geologiske undersøgelse1
- Energy for Sustainable Development Africa1
- Nationale geologiske undersøgelser for Danmark og Grønland1
- UNEP World Conservation Monitoring Centre1
- UNEP executive series1