Ib Environmental Systems and Societies Print Online Course Book Pack
This is a sample ESS Internal Assessment under my chosen topic of "Algae Wastewater Treatment". This document can be used as a reference guide for students to understand the steps for writing a good internal assessment report for this IB subject. This report helped me achieve a level 7 for undertak...
Algae Wastewater Treatment
Environmental Systems & Societies || Internal Assessment
Word Count: 2195
, 2
How do factors affecting water quality reflect in algae wastewater treatment?
Introduction:
In the years ahead, the human population will continue to grow; despite whether a country
implements a pro-natalist or anti-natalist policy. With a larger human population awaiting us
in the near future, the planet will be under greater pressure to fulfil the physiological needs of
all living organisms. Even if humans have the ability to reduce their population, climatic
conditions will continue to make the struggle for resources even worse - enhanced global
warming effect. Such environmental conditions will make it hard for living organisms to
obtain sufficient food and water supply to survive.
Scientific innovation has brought wonders to the field of sustainability; countries now have
access to technologies such as rainwater harvesting systems and desalination plants to
provide supply of freshwater for human consumption. However, such technologies are
mostly affordable for MEDCs and not LEDCs. Matters are worse when LEDCs have a large
population and live in harsh climatic conditions (e.g Deserts, Arctic Tundras). Such
communities are unfortunate as they can’t afford to provide fresh water supply to their whole
population.
To improve the accessibility of freshwater supply to such unfortunate communities across
the globe, I have conducted a research investigation to assess the appropriateness of algae
wastewater treatment. The process is a form of bioremediation, and its application in water
purification was conducted by Rochester Institute of Technology. The scientists stated that
the process is “double sustainable” as the bi-products include clean water as well as biofuel
(Gawlowicz, 2011). The process is known for its ability to purify the water of its nitrate,
phosphate, and pathogen content. If the process is proven to be successful, we can then
widely implement the solution across all rural societies having scarce water resources. This
is because the process is not as expensive compared to processes such as desalination.
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