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What are the results of over-exploitation of resources?

The compounds and materials that are used by human beings and the living system to satisfy their needs and requirements are called resources. Resources can be classified as renewable and non-renewable. Renewable resources are those resources that will get renewed and replenished through physical, chemical and mechanical processes. On the other hand, non-renewable resources like coal and petroleum have only a fixed stock. They will be replenished but only after millions of years. Thus the ever-increasing population puts pressure on limited resources. The over-exploitation of resources result in the water scarcity, deforestation, desertification, food shortages, exhaustion of minerals and pollution. This can further result in other ecological problems like global warming.