Bordewijk, J.A. and Van der Woerd, H.J. (1996) â¬ÜUltraviolet dose maps of Europe, a Remote Sensing / GIS application for public Health and environmental studiesâ¬", BCRS report, p. 96-30, BCRS, Delft, The Netherlands.
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Switching off five lights in hallways and rooms in your house – when you don't need them – can save around EUR 60 a year! This prevents the release of approximately 400 kg of CO2 gas in one year.
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