Northbrook, Ill.-based Underwriters Laboratories Inc. is restructuring for global and green growth. The 114-year-old product-safety testing organization says it is creating five new operating units: product safety, UL University, environmental services, life and health sciences and verification services. Critical to the growing green market is UL’s new environmental claims validation service and its sustainable-products certification service. “Both are brand new services that are part of a new company that is wholly owned by UL called UL Environment Inc., Geneva, Switzerland,” says Christopher R. Nelson, director of corporate development. “There is a rising demand for products that are environmentally sustainable, and
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.