EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Therefore, as a provisional solution, a conventional time period of 10 years has been set between the two databases. It could be used as well, an average European time span, weighted or not by country surface.
New supermarkets in the area can reduce business for smaller shops. Pollution and congestion would be significantly less if consumers frequented their local shops, rather than travelling long distances to out-of-town shopping centres.
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