Develops and manufactures biological filters for treatment and recirculation of process water. Company and product information.

The oldest botanical garden in Sweden, with a park, tropical greenhouse, and orangery. Opening hours and guided tours.

FÖRNA (Uppsala Nature Society) is located in Uppsala and affiliated to Svenska Naturskyddsföreningen (Swedish Society for Nature Conservation).

Carries out environmental investigations, risk assessments, and geological pre-studies for private and governmental agencies and companies.

A company in the field of environmental effects of river regulation and dams. List of services and completed projects.

This small estate, ten miles south-east of Uppsala, was bought by Carl Linnaeus in 1758. Information about opening hours, a brief history, events calendar, and a map of the estate.

A brief history, information about admission and opening hours, and a good map of the garden.

Cultural youth society aiming to encourage an interest in astronomy. Brief information in English, but many pictures.