The consequences can be enormous, even catastrophic, if a supplier fails. Jim Lawton, senior vice president and general manager of D&B Supply Management Solutions, says you must have a risk-assessment plan in place at all times.

The economy has not been good to this sector, says Walt Rakowich, ProLogis CEO, but some trends in industrial real estate are very promising. First, there is growing demand for sustainable warehouses. Second, a combination of GDP spurts and natural obsolescence of buildings stimulates construction.

So different from those of the past, today's supply chains require new strategy, analysis and planning, says Steve Martin, vice president of supply chain excellence at Ryder System. He discusses current marketplace realities and their impact on sourcing, sustainability, and inventory optimization in the midst of unpredictable demand.