Borgen på Sprogø

Environment and Climate

Sund & Bælt’s fundamental position is to show responsibility for the environmental and climate impacts that arise from our activities.

Sund & Bælt’s environmental initiatives are built on a sound environmental management system and our environmental policy. Each year, we collect and analyse environmental data. Based on our analyzes, we identify priorities and set goals for the coming year.

With regard to major projects, we carry out careful and systematic studies (EIAs) of our negative environmental impacts, because we want to be aware of possible environmental challenges.

Each year we publish a report on Corporate Social Responsibility and green accounts, which document our work to minimise the environmental and climate impacts in and around our facilities.


Sund & Bælt is responsible for maintaining Sprogø’s unique nature and listed buildings. At the top of Sprogø there are the remains of an old castle wall, which dates back to Valdemar the Great. Sund & Bælt has given financial support to Denmark’s National Museum and Culture Agency to restore the wall, which now provides drivers with a good visual experience when crossing Storebælt. 2011 finally saw an end to the restoration of the wall with the publication of a book that tells the story of Sprogø and Valdemar’s castle.

The Storebælt link and Sprogø are located in a Natura 2000 area, which is characterised by habitats or animals that require special conservation efforts. Conservation on the island is in accordance with the plans, which have been approved by Slagelse Municipality. On Sprogø, this includes taking the rare sandwich tern into account. Sund & Bælt has good experience of improving conditions for the bird and increasing its numbers, including through the regulation of the herring gull population.

Specific initiatives for a better environment

Sund & Bælt is involved in a number of specific initiatives to ensure a better environment. This includes reducing electricity consumption by 200,000 kWh per year by turning off parts of the structural lighting on the Storebælt Bridge at night, and we donate used computer equipment to the Geological Institute in Yemen and Dhulikhel Hospital in Nepal.

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