<P>Climate change represents the most important environmental challenge of our time. Organisations are responding by implementing governance processes and taking action to reduce their own emissions and the emissions from their supply chains and value chains. Yet very little is known about how these efforts contribute to reducing greenhouse gas emissions (if, indeed, they make any substantive contribution at all) or about how they might be harnessed to deliver more ambitious reductions in emissions. </P><P>This book explains when and where particular forms of governance intervention ¿ including internal governance processes and external governance pressures ¿ are likely to impact climate change. From this analysis, it offers practical proposals on the climate policy frameworks that need to be in place to facilitate or accelerate changes in corporate behaviour. </P><P>The book is truly global: it focuses on the world¿s 25 largest retailers (including Walmart, Tesco, Carrefour, Sears and