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Natural Environment

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Natural environment
From Wikipedia, the free encyclopedia
For other uses, see Environment.
See also: Nature and Environment (biophysical)

Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample access for visitors

Bachalpsee in the Swiss Alps; generally mountainous areas are less affected by human activity.

A satellite image of the Sahara desert; the world's largest hot desert and third-largest desert after Antarctica and the Arctic
The natural environment encompasses all living and non-living things occurring naturally on Earth or some region thereof. It is an environment that encompasses the interaction of all living species.[1] The concept of the natural environment can be distinguished by components: * Complete ecological units that function as natural systems without massive civilized human intervention, including all vegetation, microorganisms, soil, rocks, atmosphere, and natural phenomena that occur within their boundaries * Universal natural resources and physical phenomena that lack clear-cut boundaries, such as air, water, and climate, as well as energy, radiation, electric charge, and magnetism, not originating from civilized human activity
The natural environment is contrasted with the built environment, which comprises the areas and components that are strongly influenced by humans belonging to a civilized (i.e. hierarchically structured, agricultural, densely populated, complexly systematized) society. A geographical area is regarded as a natural environment.
It is difficult to find absolutely natural environments, and it is common that the naturalness varies in a continuum, from ideally 100% natural in one extreme to 0% natural in the other. More precisely, we can consider the different aspects or components of an environment, and see that their...

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