How many bucks does it take to change a light bulb?

LED bulbs justified on lower maintenance. I remember the first CFL bulbs, which were reputed to have longer lifetimes, but in fact broke more often. You could not unscrew them without breaking them after they first heated up and got brittle.  I hope LED bulbs are not like that.

Light bulb economics « The Operations Room

Sustainability is good for consultants

John R. Ehrenfeld: sustainability by Design

Cardboard pallets – Ikea’s sustainability effort

Here’s an interesting innovation which may be more sustainable. Cardboard pallets.

Are they more sustainable than the wooden ones now often used in shipping?

Ikea as supply-chain innovators « The Operations Room