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In 2008, the UN International Year of Sanitation, the WBCSD highlighted this important issue, and saw this advocacy effort as an excellent opportunity for companies to get involved and make a positive difference.

The review argues that providing access to improved sanitation is good business as the estimated economic return from improved sanitation is approximately US$ 10 for every US$ 1 invested. Companies are already making a positive contribution. The review includes case studies from Borouge and Borealis, Dow Chemical, GHD, ITT, Procter & Gamble, Shell, the Coca-Cola Company, Unilever and Veolia.