In this paper we describe the data for five real applications of multicriteria methods in the context of environmental problems. The applications are: (1) the choice of a solid waste management system for the Uusimaa region, Finland, (2) for the Jämsä region, Finland, (3) the Oulu region, Finland, (4) locating a waste treatment facility in the Savonlinna region, Finland, and (5) choosing among ...