Main Cause Of Air Pollution In Malaysia Essay

Pollution Of Water Sources In Malaysia

INTRODUCTION
In Malaysia, rivers have been used as a source of water and various development needs. There is no denying that water is a very significant natural resources. Irrigation, industrial and domestic needs consume water while other development such as recreation, hydroelectric power generation, and transportation rely on the quality and availability of water (Talib, Ariffin, & Baharom, n.d.). However it seems that humans have not realized how significant it is. Deprivation of their quality and ability to perform important functions bring major consequences results in long-term economic losses and affecting the population’s quality of life as a whole. The way human use and manage rivers can cause great environmental damage that adversely affects the rivers.
STATUS OF WATER RESOURCES IN MALAYSIA
Even though Malaysia has been blessed with ample supply of water resources, non-uniform temporal and spatial rainfall distribution and increasing occurrences of river pollution have caused numerous crises in water supply services. The quality of river in Malaysia has worsened during the last several years. In recent years, more water is drawn to meet increasing demand, but more destruction results from water that is put back into them by communities, adding sewage, and other effluents and waste. The dirtiest river in the country, in terms of the quantity of rubbish found is Sungai Klang, Sungai Penchala, Sungai Segget and Sungai Ayer Merah in Johor, and Sungai Jelutong, Sungai Juru and Sungai Prai in Penang (Aruna, 2014). These rivers have been categorised as ‘dead’ as they are unable to sustain any form of aquatic life including fish and aquatic plants.

Figure 1: Children playing in Sungai Penchala, Selangor
RIVER POLLUTION
Nowadays, water pollution is the largest threats to rivers. The reduction in river water quality is mainly caused by human activities such as logging and manufacturing industries. Domestic and industrial sewage, agro-based industries, road and housing construction, suspended solids from mining, clearing of forest and heavy metals from factories also cause major changes in water quality and the ecological status of water.
Urbanisation is one of the sources of pollution as it significantly contributes to the decrease in quality of river water. Urban development usually come in the form of sedimentation, organic pollution, rubbish, and solid waste. The problem begins when forests are cut within a basin that leads to sedimentation and soil erosion.
Lack of proper sanitation facilities and inefficient waste disposal system result in waste and sewage end up in the rivers. Rivers that are contaminated by sewage contain high levels of organic pollutants, and they become breeding grounds for harmful viruses and bacteria may cause outbreaks of water borne diseases such as typhoid, hepatitis A, and cholera that are detrimental to human (Azwad, n.d.). Sewage pollution also cause mass die-offs or loss of reproductive ability and...

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Pollution
Pollution is an issue of concern in the modern world that we live in today. There are many types of pollution, namely air, water and noise. Pollution in our environment will undoubtedly affect our quality of life. Our naturally beautiful world becoming ugly because it is suffering from the effects of environmental pollution. Pollution can also cause various health problems and other negative effects.

Air pollution is caused by the emission of toxic gases from vehicles, factories and open burning. Nowadays, there are more and more vehicles on the road as society gets more affluent. More and more people strive to have a better quality of life by having the convenience of driving to their destinations instead of taking public transportation. Automobiles provides transport to millions people around the world to enable them to travel to their workplace, school and other places, therefore, the air around us is getting more polluted by the carbon dioxide that is emitted. Carbon monoxide is another type of gas which harmful to the environment as it can cause the reduction of oxygen in the bloodstream.

Another example of contributor to the air pollution is the manufacturing factories. The manufacturing of products in factories to meet the growing demand of society is also causing air pollution. Factories release toxic gases to the environment. Some factories also use coal to generate heat and energy. As a result from the burning of coal, carbon dioxide is released into the environment.

            Besides factories, many people are still practising open burning as a way of disposing their household wastes. Although burning our household wastes is a convenient way of getting rid of our rubbish, it is harmful to the environment as it contributes to the worsening of the air quality. As a result, air pollution causes people to suffer from health problems such as chest pain and asthma. In extreme cases, people can contract lung cancer.

            Water pollution is also a problem that we are currently facing. The marine life is the first to suffer from water pollution as they depend on the nutrients in the water to survive. As a result, we are robbed of beautiful sea corals and unique species of fishes. Besides ruining our marine heritage, the disappearance of marine life will affect the livelihood of fishermen, not to mention our source of food. Water pollution is caused by harmful waster from industries, farms and sewerage systems which are dumped into our sources of water such as rivers and lakes. This irresponsible act contaminates our drinking water and can cause serious health problems and can even culminate in death.

            Noise pollution is another form of pollution. Noise from heavy machinery and vehicles can cause hearing problems and in extreme cases, deafness. As there is growing number of vehicles on the road, we are exposed to noise pollution every day. The government in advanced countries encourage their citizens to take the public buses and trains by providing an affordable and efficient transportation system. This effort discourages people from driving their private vehicles and consequently reduces the number of vehicles on the road.

            We must work together to reduce pollution so that the future generations can live in a healthy, unpolluted environment. As the saying goes, precaution is better than cure. Lets hands on hands together by recycle and conserve the world for the better future.

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