Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Withthedevelopmentofindustryandagriculture,carsmakegreatnoisesandgiveoffpoisonousgas.Treesonthehillshavebeencutdown,andwastewaterisbeingpouredcontinuouslyintorivers.Furthermore,whereverwegotoday,wecanfindrubbishcarelesslydisposed.Thewholeecologicalbalanceoftheearthischanging.Massivedestructionofenvironmenthasbroughtaboutnegativeeffectsandevenposesagreatthreattoman'sexistence.

　　Wemustfacethesituationthatexistsandtakeactionstosolveourenvironmentalproblems.Forinstance,newlawsmustbepassedtoplacestrictcontroloverindustrialpollution,thepub!icmustreceivetheeducationaboutthehazardofpollutionandsoon.Wehopethatallthesemeasureswillbeeffectiveandbringbackahealthfulenvironment