Estonian Academy of Publishers: Scientific journals and publications. [Estonian, English]
Estonian Fund for Nature (ELF): Non-profit organization supporting conservation, sustainable development, and increased environmental awareness. Includes information about the country's nature and the organization's legal cases. [Estonian, English, Russian]
Estonian Orchids: Site for the Estonian Orchid Protection Club, dedicated to preserving native orchids. Features list of species with photos and descriptions, and their distribution in Estonia.
Geological Survey of Estonia: Information on geological sites, mineral resources, groundwater, services and maps. [Estonian, English, Russian]