64 companies follow Wal-Mart's effort to reduce suppliers' emissions
When Wal-Mart Stores Inc. took a magnifying glass to its business operations, the multinational retail corporation found numerous ways to save energy, cut costs and reduce its carbon footprint. But even as the largest private electricity consumer in the United States, it found that 90 percent of its emissions came from its chain of suppliers.
Traffic in London, a pioneer in congestion fees, still creeps along
LONDON -- A decade after it was started in early 2003, central London's once-controversial congestion charge zone has won acceptance from a key group that was most vocally against it at the outset -- the city's shopkeepers. But the system has still failed to achieve two of its primary goals: to get congealed traffic to move faster and to drastically reduce auto emissions.