Few dispute the benefits of green workplaces: They use less energy and water, have lower greenhouse gas emissions, and provide a healthier work environment than conventional buildings. But in the United States, most of the green buildings constructed over the past decade have been primarily white-collar workplaces, including office buildings, schools, and R&D facilities. The greening of blue-collar workplaces, from warehouses to distribution centers to factories, has lagged far behind. That’s beginning to change.

A version of this article appeared in the May 2008 issue of Harvard Business Review.