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| Photo Credit: Environment Protection Agency |
Soil pollution is a serious issue, which causes harmful
effects to our agriculture and our health. The solution to this problem can be
highly expensive; however, one solution is available that is cost-effective.
Phytoremediation is a solution where the use of green plants stabilizes and
reduces contamination in soils. Certain plants are able to remove or break down
chemicals by the roots absorbing contaminated soil or ground water. Once the
absorption takes place, the plant converts the chemicals to less harmful
chemicals and can convert them into vapors that are released to the air or
store the contaminant in the stem or leaves. There are many beneficial factors
with this method. It increases the use of natural plants and brings
attractiveness the community or area, as well as better air quality. There is
less labor, because the plant does most of the cleanup, rather than using heavy
equipment.
There is an
example of phytoremediation in Oregon located in Clackamas. It’s called the
Oregon Poplar Site and it planted hybrid trees to remediate contaminations in
the ground water. They have received samples that concluded the trees were
removing volatile organic chemicals. This shows that this technology can be a
cost-effective solution to our rising soil pollution issue.
By: Michael Nguyen
Sources:
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