《英文：雾霾(Haze)的相关定义、危害、成因、现状及个人和政府应该采取的措施》由会员分享，可在线阅读，更多相关《英文：雾霾(Haze)的相关定义、危害、成因、现状及个人和政府应该采取的措施（15页珍藏版）》请在金锄头文库上搜索。
1、Haze(雾霾)Contents1. Chai jing and her documentary 2. Definition of haze 3. Current Situation 4. Damage 5. Causes 6. What can we doChai jing and her documentaryUnder the Dome made by Chai Jing In 2015, A former CCTV presenter, Chai Jing, has released a self- funded documentary about haze Showing a ser
2、ies of photographs and slides, Chai examines how the pollution problem has become so serious in the country and reveals the project was inspired by lung illness of her new-born daughter The TED Talk-style presentation become a viral hit racking up over 100 million views in less than 24 hoursDefiniti
3、onu Haze: “a slight obscuration of the lower atmosphere, typically caused by fine suspended particles” u Smog : “fog or haze intensified by smoke or other atmospheric pollutants”(according to New Oxford Dictionary of English)haze=SO2NOxPM2. 5Definition PM: Particulate matter. PM10: Inhalable particl
4、es PM2.5: Particles can be drawn into lung,which diameter is less than 2.5 micron. DefinitionuAPI: Air pollution Index uAQI: Air Quality Index u Four-tier alerts : blue, yellow, orange and red - will be issued on “heavy pollution“ days. Red alert, the highest, will be issued for heavy pollution that
5、 is expected to last more than three days.Situation Global satellite-derived map of PM2.5 averaged over 2001-2006 This measurements from two NASA satellite instruments with information about the vertical distribution of aerosols from a computer model The map shows very high levels of PM2.5 in a broa
6、d swath stretching from the Saharan Desert in Northern Africa to Eastern AsiaSituation Beijing has issued a red alert for haze since 2013 when Beijing adopted an emergency response program for air pollution Much of north-eastern China were enveloped by some of the worst levels of haze on record 爆表了！
7、off the charts！DamageHealth 1.Breathing particulate-laden air may be hardening our arteries faster than normal. 2.It may has a bad effect on our respirator y organ and cardiocascular system(心血管 系统). 3. Fog, haze weather, the air will often with bacteria and viruses(细菌和病毒), easy to cause the spread d
8、iseases.DamageHealth A lab test showed at least 15 cancer-causing matters were contained in the tested sample contaminated by the pollution air A professor who has studied air pollution for 30 years said, in the 1980s, polluted air had begun to cause lung cancer in China, but people were more concer
9、ned about economic development at that time. DamageTraffic haze is the obstacle of visibility, which increase traffic accidents the low atmosphere makes people feel nervous and depressedPsychologyThe harm of childrens growth concerned about her daughters health. If the air pollution stays like this,
10、 her wont ever be able to leave the house.Causes After some analysis, scientists from China Academy of Sciences found that the black matters captured by the sampling device were from burning coal, fuel, fertilizers, industrial production, dust, and other human-related activities. Conclusion: 60% of
11、PM2.5 in China comes from the burning of fossil fuels.suspended industrial dustvehicle exhaustWinter heatingWhat can we do Be care of visibility, its harmful to you if the visibility is under 5 miles. Search Air Quality Index first, reduce outdoor exercise if its beyond 100. Wear N95 mask while dens
12、ity of PM2.5 reach 150g/m3 People with respiratory disease should wear mask while its beyond 75. Drink more water(not drink),at least 1200ml per day. Good personal hygieneWhat can government do Increase the green area Enact more strict laws strengthen air monitor develop green and energy-saving energy Thank you!
