Haze(Role Play)

Topics: Smog, Oxygen, Air pollution Pages: 3 (940 words) Published: July 13, 2011
YM: Thank you secretary for bringing in the light refreshment. Gentlemen, let the meeting commence. We would discuss about the causes and effects of haze in Malaysia. I hope to hear much of your ideas, information from you guys and no falling asleep during this discussion meeting. YM: As we are all well aware that haze is traditionally an atmospheric phenomenon where dust, smoke and other dry particles obscure the clarity of the sky. Seen from afar by approaching fei jis, sorry I mean airplanes and depending upon the direction of view with respect to the sun, haze may appear brownish or bluish. CK: Haze often occurs when dust and smoke particles accumulate in relatively dry air. Luckily, currently the air condition in Malaysia is moderate to good, 51-100 and 0-50, according to DOE, Department of Environment. However, haze still occurs on several seasons, YM: Yup yup, so with these facts laid before us, let’s gather facts on the causes of the haze. WS: Pollutants are caused by open burning, smoke emitted from vehicles and factories without particle filters such as nitrogen dioxide (reddish-brown toxic gas has a characteristic sharp, biting odor), and sulphur dioxide (coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel). HM: Yes, and based on my researches, the other pollutant is ozone, O3, or trioxide, is a triatomic molecule which consisting of three oxygen atoms. Ozone in the lower atmosphere will effects the respiratory systems of animals and will burn sensitive plants. Besides that, carbon monoxide is a colorless, odorless and tasteless gas which is slightly lighter than air. It is highly toxic to humans and animals in higher quantities. WS: The first cause of haze is caused by the irresponsibility of human. For example, farmers regularly burn scrub and forest to clear land during the dry season for agricultural purposes, Malaysia rushed firefighters to...
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