In earlier times, people did not think about the impact of their actions on the environment and on future generations. Mankind hunted certain animals out of existence; damaged or destroyed ecosystems to build industrial plants, buildings, homes, and other developments; polluted the air and waterways; and negatively impacted the health of human beings. The Native American Iro- quois Confederacy has a tenet it mandates its chiefs to follow, one to which people today are now paying attention: It simply states that a chief consider how each of his actions will affect his descendants seven generations into the future. If we were.