Comparison between the census 1991 and 2001 and mapped into a NUTS3 units, using 4 classes to distribute the results 0-10% of decrease or increase and more than 40% for both rates.
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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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