Lean Sustainable Supply Chain Management. It's More Than Just Being Green. In today's business environment, companies are being held accountable to a growing list of stakeholders who assess company performance against a variety of criteria, from financial and operational performance to labour practices and environmental issues. The pressure for greater transparency in all areas of performance is increasing; not only for consumer-facing companies, but for all business entities throughout the supply chain; including manufacturers who are several steps removed from the ultimate consumer.