© Provided by Xinhua Denmark, one of the world most energy-efficient countries, should join forces with China, a global leader in solar, wind and hydro
Traditional Chinese wisdom inspires new approach to energy efficiency parisguardian.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from parisguardian.com Daily Mail and Mail on Sunday newspapers.
© Provided by Xinhua Denmark, one of the world most energy-efficient countries, should join forces with China, a global leader in solar, wind and hydro