perpetual resource
Essentially inexhaustible resource on a human time scale. Solar energy is an example. See renewable resource. Compare nonrenewable resource, renewable resource.
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Essentially inexhaustible resource on a human time scale. Solar energy is an example. See renewable resource. Compare nonrenewable resource, renewable resource.
See per capita GNI.
Resource that exists in a fixed amount (stock) in various places in the earth's crust and has the potential for renewal by geological, physical, and chemical processes taking place over hundreds of millions to billions of years. Examples are copper, aluminum, coal, and oil. We classify these resources as exhaustible because we are extracting and using them at a much faster rate than they were formed. Compare renewable resource.
Large or dispersed land areas such as cropfields, streets, and lawns that discharge pollutants into the environment over a large area. Compare point source.
The earth's natural materials and processes that sustain other species and us. Compare financial resources, human resources, manufactured resources.
See natural resources.
See pollution prevention.
Market value in current dollars of all goods and services produced in the world each year. Compare gross domestic product, gross national income.
See gross national income.
Total market value in current dollars of all goods and services produced within a country, usually during a year. Compare gross national product, gross world product.
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