全世界的环境问题现在变得越来越严重。假设你是李华，请你根据漫画内容和下面要求给ChinaDaily写一封信反映这一情况，并提出保护环境的建议。注意：1.信的开头与结尾已经给出，不计入总词数。2.词数100~120。参考词汇：人口膨胀populationexpansion；过度开发overdevelopment。Deareditor,Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.__________________________________________________________________________________Yourstruly，LiHua【参考范文】Deareditor,Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Withthedevelopmentofindustryandagriculture,carsmakegreatnoisesandgiveoffpoisonousgas.Becauseofpopulationexpansionandoverdevelopment,resourceshavebecomelessandless.Treesonthehillshavebeencutdown,andwastewaterisbeingpouredcontinuouslyintorivers.Thewholeecologicalbalanceoftheearthischanging.Massivedestructionofenvironmenthasbroughtaboutnegativeeffectsandevenposesagreatthreattoman’sexistence.Wemustfacethesituationthatexistsandtakeactionstosolveourenvironmentalproblems.Ithinkthatweshouldleadalow-carbonlifeandbringbackahealthfulenvironment.Yourstruly，LiHua
