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.
Information on geological sites, mineral resources, groundwater, services and maps. [Estonian, English, Russian]
Scientific journals and publications. [Estonian, English]
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]