Companies like Cisco Systems an example of how green procurement and sustainable sourcing have become a regular part of the supply chain or Siemens the most energy-efficient firm in its sector, show that businesses across the globe are starting to understand the need for a supply chain to be sustainable. 1. Do businesses simply pay lip service to environmental issues while using all available natural resources to make as much money as they can in the present, or are they really committed to sustainability? 2. Why sustainability is good for business? 3. How can Sustainability create long-term cost savings for companies? Please answer these questions as soon as possible