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A tour of Swiss energy efficiency

swisscom

ittigen

What does it take for a building to win one of Switzerland's most prestigious sustainability awards? This week, we find out in a tour of the Swisscom business-park near Bern — winner of the Swiss Federal Office of Energy 2015 Watt D'Or award for Buildings and Space.

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SWI swissinfo.ch - a branch of Swiss Broadcasting Corporation SRG SSR