This paper presents two different approaches, related to the integration of environment quality in the supply chain of an Original Equipment Manufacturer (OEM), The approach of Green Procurement (GP) and Environmental Supply-Chain Management (ESCM) will be outlined and discussed from a business and leadership perspective. This means attention for such aspects as strategy, costs, short and long-term, awareness, products, processes and innovations from an environmental perspective. Furthermore, both approaches will be compared and discussed in the scope of realization of a sustainable supply chain.