The public company MARE supports the regional government of Cantabria with regards to a range of environmental tasks, mainly related to water, waste and energy management.

MARE is responsible for water integral cycle management, including the capture, storage, and distribution of water for both domestic and industrial uses, as well as the purification and sanitation of wastewater.

It is also responsible for the collection, recycling and treatment of urban solid waste, from which it obtains energy.

Moreover, MARE fosters social awareness, environmental education and good ecological practices among citizens and promotes actions and works aimed at maintaining the natural environment in the territory.