This document summarizes a journal article about green supply chain management (GSCM) as a strategy to gain competitive advantage. It discusses how GSCM has become an important way for firms to improve environmental and financial performance simultaneously. The article reviews literature on different motivations for and approaches to GSCM, including risk-based, efficiency-based, innovation-based, and closed-loop strategies. It also examines internal and external drivers for adopting GSCM and how GSCM can provide benefits at both the organizational and national level.