The document discusses ADVA Optical Networking's efforts to build a more sustainable business model. It describes how the company lacked a cohesive corporate social responsibility framework in 2010 but has since implemented a more comprehensive 10-dimensional model. This included conducting a life-cycle assessment, improving energy efficiency of its products, recovering and refurbishing used equipment from customers, and winning a game-changing challenge from BT to optimize logistics. The company has gained public recognition for its sustainability improvements.