발표 잘해서 A+ 학점 맞았습니다.
자료에 최선을 다했습니다.
1272’ (~the late 19th, 20th) : documented as a major problem considering
the history of humankind.
1273’ : King Edward І of England, 런던지역내 “Sea-coal”사용금지법 제정.
1300’ : 영국 리처드왕 3세가 석탄에 무거운 세금 부과하여 사용 억제.
1307’ : King Edward І of England, 석회로의 석탄사용을 금지.
1956’, 1 : 1000 extra deaths in London were blamed on an extended fog.
1956’ : Parliament passed a “Clean Air Act” and Britain to decrease the burning of soft coal.
Fogs : Pollutants that assisted in creating a dense haze or foggy-like condition.
Smog = Smoke + Fog
Photochemical smog : hydrocarbons, nitrogen oxides, sunlight, Los Angeles, New York
City, Chicago, Mexico City, and other large urban areas around
the world are widely in today’s press.