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Positive Influences of Humans on the Environement

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Research 5.1 Positive Impacts of Human Activities on the Environment
SC4730 Environmental Science

Captive Breeding and Release of Endangered Animals
Nearly extinct animals are bred in protected environs. When the numbers are sufficient, they are reintroduced in to the wild. One example is the Arabian Oryx. “These animals were captive bred in the Phoenix, San Diego and Los Angeles zoos and later released in the Middle East”(Patterson). “California condors, Mauritius kestrels, and black-footed ferrets are some of the other species that have been captive bred and released.”(Rogers)
Selective Removal Invasive Species
Some plants and animals deliberately or accidentally introduced into new areas often thrive there. They wind up replacing indigenous plants and the ecosystems that have been supported by them for thousands of years. “One example is Australian gum trees, which have become invasive in California. Efforts are being made to replace them with indigenous trees like the coast live oak.”(Patterson)
Replacing Industrial Food Systems with Permaculture
According to the Permaculture Institute, "Permaculture is an ecological design system for sustainability in all aspects of human endeavor. It teaches us how to build natural homes, grow our own food, restore diminished landscapes and ecosystems, catch rainwater, and build communities."(Rogers) More and more people are embracing aspects of permaculture, and both the environment and human health are benefiting.
Cleaning Waterways
”Waterways get clogged up with the accumulation of natural debris and excessive plant growth, and also by waste dumping. Periodical clearing prevents flooding of the banks and protects many ecosystems.” (Patterson)
Finding Renewable Energy Sources
“Bio-fuels made from plant-derived ethanol and oils are used to reduce our dependence on fast-depleting oil reserves. Wind turbines and solar energy generators can help meet local electricity needs and take some of the load off the power grid.” (Rogers)

Citations
Patterson, S. (n.d.). How Do Humans Affect the Environment? Retrieved November 12, 2015, from http://greenliving.lovetoknow.com/How_Do_Humans_Affect_the_Environment

Rogers, C. (n.d.). Positive Effects of Humans on the Ecosystem. Retrieved November 12, 2015, from http://www.ehow.com/facts_5869462_positive-effects-humans-ecosystem.html

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