Nowadays,moreandmorepeoplerealizeit`snecessaryandimportanttoprotecttheenvironment.Also,therearesomepeoplewhodon`tpayattentiontohygieneandtheycan`tstoplitteringtherubbishcasuallyorspittingeverywhereallthetime.Andinaddition,thereareafewfactoriesoftencuttingdownthetrees,dischargingchemicalsanddirtywaterandsoon.AnditcausesmanyproblemsliketheGreenhouseEffect.Iftheydothesedaybydayandourlifewillbeharderandharder,sowehavetostopthem.Tostopthemwecanputupcommonwealadvertisementsandtellthemthedetrimentofdestroyingtheenvironment.Sowecanstartfromnowtomakeabeautifullife.