CHAPTER 4

Sustainable Purchasing and Logistics

With globalization, companies are increasingly seeking the parts, products, and services they need from suppliers located worldwide. For example, China accounted for more than 20% of global manufacturing in 2010, with exports valued at $1.7 trillion.1 Because most supply chains are now international in scope, supply chain managers often cope with cultural, language, and political differences, and face increased administrative and legal complexity. The lengthening of companies’ supply chains also means that today, purchasing and logistics activities frequently have the greatest impact on the sustainability profile of a firm.

For example, Wal-Mart estimates that 90% of its greenhouse gas emissions ...

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