http://en.wikipedia.org/wiki/Circular_economy
http://www.cnbc.com/id/100408996
http://www.ellenmacarthurfoundation.org/circular-economy/circular-economy
http://www.ellenmacarthurfoundation.org/business/reports
http://www.guardian.co.uk/sustainable-business/davos-2013-circular-economy-opportunities-latin-america
http://www.guardian.co.uk/sustainable-business/blog/circular-economy-private-sector-zero-waste
'Circular Economy' Promises Billions: Advocate
http://www.iisd.org/measure/knowledge/national/china.asp
http://www.chathamhouse.org/research/eedp/current-projects/circular-economy
