Wal-Mart, the world’s largest retailer, is to convene a meeting in October involving around 1,000 Chinese suppliers to set out goals for significant reductions in the environmental impact of its vast supply chain, the Financial Times reported. Wal-Mart launched a drive in 2005 to improve its record on environmental and social issues, but so far it has largely focused on its US operations. Lee Scott, Wal-Mart’...