At the end of each year, I receive a new calendar from Hoffman Construction Co., Portland, Oregon. It features simple pictures drawn by employees’ young children depicting how to work safely on construction sites. The calendar is a terrific way to communicate how the ramifications of safety and health practices extend beyond jobsites, projects and companies to families and future generations of workers. GAMBATESE Sustainability principles incorporate a similar perspective on the value of life. The World Commission on Environment and Development describes sustainable development as a project approach that “meets the needs of the present without compromising the ability