In Copenhagen, they’ve combined energy production with recreation. Video Ad Feedback Inside Bjarke Ingels' ski slope power plant 07:51 - Source: CNN The power plant building, which burns waste instead of fossil fuel, is in line with Copenhagen’s goal of being the first carbon-neutral capital by 2025. Bjarke Ingels Group’s founder Bjarke Ingels said in an opening-day statement, “CopenHill is …