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Answers.com > Wiki Answers > Categories > Health > What is positive human impact on the environment? Answer:
Positive human impacts are generally limited to undoing problems humans have caused in the first place. At one time "positive impacts" were thought to be changing land which was just wastefully being "natural" into productive farms or cities.
Activities which improve damaged eco-systems include:
* Ecosystems are reinstated
* Pollution discharges are eliminated
* Species are bred and released
* Foreign species are eliminated
* Accumulations of contaminated sediments are removed
* We exhale some carbon dioxide which assists green plants in survival * Our assistance in natural selection (culling) in some wild herds yield a less negative gene pool * The protected species laws assist in avoiding extinction * Use of new and different energy forms reduce pollution
* Composting puts nutrients back into the earth, where they originally come from Understanding the Word www.hallvworthington.com|
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