Forest Europe, UNECE and FAO (2011) State of Europe's forests, 2011: status & trends in sustainable forest management in Europe. Ministerial Conference on the Protection of Forests in Europe, Forest Europe, Liaison Unit Oslo, Aas, Norway
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Don't forget to switch off the lights.
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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