honorablejudges,ladiesandgentlemen.today，wearegatheringheretodiscussaveryhotissue.howtofindharmonyinanewagebetweenmanandnature?wheremodernscienceandtechnologyareconcernediamonlyalaymanihavetosay.however,livinginthisnewage,seeingmydearonessufferingfromrespiratorydiseasesfromtimetotime,findinhebeautifulcolorsofgreenandbluearebeingreplacedbythatofgrayandpale,andrealizinhatourmotherplanetisgettingmore...