2017年世界水日英语作文：3.22世界水日

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2017年世界水日英语作文：3.22世界水日

waterisoneofthemostvaluableresourceintheworld,istheidealliquidtosustainlife.mammalsinvivoisbetween60%and65%water,two-thirdsofthehumanbodyweight,99%ofthebrain,bonesareabout44%water.lackofwater,thehumanandtheearthwillnotsurvive,forestswilldisappear,theplantwillperish,theearthwillappeartheboundlessdesert,signsoflifewilldisappear.

currentlytheworld'sfreshwateraountsforonly2.5%ofthetotalwaterresources,ofwhichmorethan70%isfrozeninthearcticandantarcticicesheets,anditisdifficulttousethesnowonthemountainglaciersandpermafrost,87%ofthefreshwaterresourcesisdifficulttouse.humansreallyabletotakeadvantageofthefreshwaterresourcesispartoftheriversandlakes,andgroundwater,aountsforabout0.26%oftheearth'swater.

giventheglobalfreshwaterresourcesshortage,notonlywillsoonfallintothepredicamentofthewatershortageinmanycountries,economicdevelopmentwillbelimited,onjanuary18,1993,the47thunitednationsgeneralassemblyresolution,determiheannualmarch22as"worldwaterday".afterthewateractofthepeople'srepublicofchinapromulgatedin1988,theministryofwaterresourcesistodetermiheannualjuly1to7as"china'swaterweek",consideringthe"worldwaterday"and"chinawaterweek"thepurposeandcontentofbasicsame,therefore,startingfrom1994,changethetimeof"china'swaterweek"totheannualmarch22to28,timecoincidence,makeacampaignmorehighlightsthethemeof"worldwaterday".