... order to estimate the supply-chain water footprint of a specific product. If a retailer for example buys cotton clothes in order to sell them to consumers, the cotton has probably a long history ... companies according to their ranking in the Fortune 500 list (Fortune, 2007) into seven business sectors. These are: apparel, beverages, food and drugstores, food consumer products, food services, ... launched the Global Water Tool, a free and easy -to- use tool for businesses and organizations to map their water use and assess risks relative to their global operations and supply chains (WBCSD,...