关于环境保护（水资源节约）的话题

　　Ourenvironmentisveryimportantforourlives.Weneedthefreshair,thecleanwaterandsoon.Inthepast,thereweremanytreesaroundus,theairwasfreshandtheriverwasclean.Butnow,peoplecutdownmanytrees.Airpollutionandwaterpolloutionareveryserious.Theenvironmentaroundusbecomesveryterrible.Weshouldprotectourenvironment.First,weshouldplantmanytreestokeepwater.Second,wecanrideabikeorwalktotheschoolandwork..Third,weshouldn’tthrowthedirtywaterintotheriver.Fourth,weshouldn’tusetheplasticbags.Finally,wecanaskmorepeopletojoinus.