1.2 How are our Ecological Footprint Affecting Earth?
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ecological footprint
the impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources.
point source
A specific source of pollution that can be identified, such as a pipe.
pollution
Addition of more waste than a resource can accommodate.
nonpoint source
a widely spread source of pollution that is difficult to link to a specific point of origin
environmental degradation
damage to or destruction of the natural environment