The accelerating consumption of resources by industrialized societies and the modern sectors of developing countries has resulted in widespread environmental pollution problems. At the 1972 UN Conference on the Human Environment, held in Stockholm, the view of the developed nations was that the demands for energy, nonmetallic and metallic minerals, and food could threaten their population’s health, damage ecosystems important to their quality of life, as well as modifying the global environment over time at a great cost to humanity.