LastmonthHarbincutoffitswatersupplyforfourdaysbecauseofpollutionfearinSonghuaRiver,whichisHarbin’smainwatersouce.Thepollutionresultedfromachemicalplantblast.Schoolshadtobeclosedforaweek.Peoplewerepouringintosupermarketstobuylargequantitiesofbottledwateranddrinks.

　　Thewatercrisisagainshowstheinportanceofprotectingenvironment.Wehaveonlyoneearth.Asamatteroffact,environmentalproblemisnowregional,nationalandglobal,soitsourdutytomakeeveryefforttoliveinharmonywithnathure,otherwisewemaybepunishedbynature.