At Northrop Grumman, the effort is reduce waste and improve energy efficiency is ongoing and corporate-wide, says Bill Haslett, manager of enterprise sourcing and logistics. When making the business case for green initiatives, Northrop Grumman not only considers payback in dollars, but also such factors as reduced landfill contributions and future savings on carbon credits if a cap-and-trade system becomes law. [Run Time (Min): 11:02]