It Happened in Montana. The Hebgen Lake magnitude 7.5 earthquake, which occurred on August 18, 1959, was the largest earthquake in Montana and the 14th largest earthquake in the contiguous U.S. in historic times (Stover and Coffman, 1993). The earthquake caused 29 fatalities and about $11million in damage to highways and timber.
An Environmental Policy is..... A statement by the organization of its intentions and principles in relation to its overall environmental performance which provides a framework for action and for the setting of its environmental objectives and targets.. (Definition quoted from ISO 14001).
Environmental Sustainability. To define environmental sustainability we must first define sustainability. Sustainability is the ability to continue a defined behavior indefinitely. To define what environmental sustainability is we turn to the experts.Herman Daly, one of the early pioneers of ecological sustainability, looked at the problem from a maintenance of natural capital viewpoint.In 1990 he proposed that: 1.o define what environmental sustainability is we turn to the experts. Herman Daly, one of the early pioneers of ecological sustainability, looked at the problem from a maintenance of natural capital viewpoint. In 1990 he proposed that: 1.