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Environmental protection measures are being used in venue construction. These include being climate-neutral, games in harmony with nature, zero waste, and raising environmental awareness in preparing and hosting the 2014 Games. The 100th environmental protection measure was completed in October 2010. Slopes at the Rosa Khutor Alpine Resort were completed on 26 November 2010. A European Ski competition took place in early 2011 while a World Cup event took place in 2012.