The document discusses Garrett Hardin's concept of the "Tragedy of the Commons" and environmental issues caused by human behavior. It summarizes three concepts that have led to overuse of resources: that resources are unlimited, humans are separate from nature, and humans can conquer nature. However, facts show resources are finite and depletion is now difficult to recover from. The document identifies technology, apathy, insignificance, and self-centeredness as contributing to environmental deterioration and proposes both bottom-up and top-down approaches to solving problems.