The data have been extracted from the Urban Audit database and joined with the corresponding Urban Audit cities shapefile. The reference year is 2004, where 2004 data are not available, data from 2001 are used (CZ, GR, LT, HU, NL, SI, partially BE). After joining the statistical with the geographic data the information is mapped as coloured dots.
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Some 97.5% of water on the Earth is salt water, leaving only 2.5% as fresh water. Of this over two thirds is frozen in glaciers and polar ice caps. The remaining unfrozen fresh water is found mainly as groundwater, with only a small fraction present in rivers, lakes or in the air. Water is a precious resource, use it responsibly and don’t waste it!
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