Climatechange,pollution,overuseofwateranddevelopmentare...
问题详情：Climatechange,pollution,overuseofwateranddevelopmentarekillingsomeoftheworld’smostfamousriversincludingChina’sYangtze.India’sGangesandAfrica’sNile.WWFsaidonTuesday.Atthegloballaunchofitsre...