Environmentprotectionhasfastbecomeanextrmelyseriouschallengetoourgovernmentsincetheopendoorpolicywasimplementedsomethirtyyearsago. 　　Ourcountry'seconomicgrowthoverthelasttwodecadeshasundoubtedlychangedournationinvariousways,otherthanthefactsthat:theconceptofpeoples'thinkinghasthoroughlychanged(洗心革面).theirwayoflifehasalsomadeathoroughgoingtransformation(脱胎换骨),however,thesetwochangesperhapswouldn'tharmyourphysicalhealthandtheyhavenodirecteffectonthepopulationsofothernations. 　　Whateveryoneofous,whereveronelives,isgravelyconcernedaboutistheincreasinglypollutedenvironment;theknock-oneffectonourairquality,ourrivers,andnumerousotherthingshasadverselyaffectedourlife. 　　Howtogetaperfectbalancebetweeneconomicgrowthandprotectingourenvironmenthasputourgovernmentintoadilemmafromwhichtheyhaven'tquitemanagedtoextricate. 　　Ourgovernmentcould,toacertainextent,controlandimprovetheenvironment.ThishadbeenshownaroundthetimeoftheBeijingOlympicGames.Butittakestwototango,thereforethepeoplehavetodotheirpart:bynotpollutingourrivers,choppingdownourtrees,andbynotusingtheircarsunnecessarilyetc., 　　Iurgeourpeopleandgovernmenttotakeaction,beforeitistoolate,toprotecttheenvironmentifonlyforthesakeourchildrenandthesuccessivegenerations.