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| The Water Problem | |
| 作者姓名： | 邢连香 |
| 作者单位： | 河北衡水中学 |
| 摘 要： | Nowweusealittlelessthanhalfthewateravailableintheworld．Yetoccurrencesofshortagesanddroughts（干旱）arecausingfamine（饥荒）anddistress（穷困）insomeareas，andindustrialandagriculturalby－prod－uctsarepollutingwatersupplies．Sincetheworldspopulationisexpectedtodoubleinthenext５０years，manyexpertsthinkweareontheedgeofawidespreadwatercrisis．Butthatdoesnthavetobetheoutcome．Watershortagesdonothavetotroubletheworld———ifwestartvaluingwatermorethanwehaveinthepast．Justaswebegantoappreciatepetr… |
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