英文：霧霾(Haze)的相關(guān)定義、危害、成因、現(xiàn)狀及個人和政府應該采取的措施課件

1、Haze(霧霾)ContentsChai jing and her documentaryDefinition of hazeCurrent Situation DamageCausesWhat can we doChai jing and her documentaryUnder the Dome made by Chai JingIn 2015, A former CCTV presenter, Chai Jing, has released a self-funded documentary about hazeShowing a series of photographs and sl

2、ides, 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 daughterThe TED Talk-style presentation become a viral hit racking up over 100 million views in less than 24 hoursDefinitionHaze: “a slight obscurat

3、ion of the lower atmosphere, typically caused by fine suspended particles”Smog : “fog or haze intensified by smoke or other atmospheric pollutants” (according to New Oxford Dictionary of English)haze=SO2NOxPM2.5DefinitionPM: Particulate matter.PM10: Inhalable particlesPM2.5: Particles can be drawn i

4、nto lung, which diameter is less than 2.5 micron. Situation Global satellite-derived map of PM2.5 averaged over 2001-2006This measurements from two NASA satellite instruments with information about the vertical distribution of aerosols from a computer modelThe map shows very high levels of PM2.5 in

5、a broad 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 pollutionMuch of north-eastern China were enveloped by some of the worst levels of haze on record

6、爆表了！off the charts！DamageHealthA lab test showed at least 15 cancer-causing matters were contained in the tested sample contaminated by the pollution airA 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 mo

7、re concerned about economic development at that time.DamageTraffichaze is the obstacle of visibility, which increase traffic accidentsthe low atmosphere makes people feel nervous and depressedPsychologyThe harmof childrens growthconcerned about her daughters health. If the air pollution stays like t

8、his, her wont ever be able to leave the house.CausesAfter 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 PM2.5 in China comes from the burning of fossil fuels.suspended industrial dustvehicle exhaustWinter heatingWhat