Pol­lu­tion poses threat to cities’ wa­ter

China Daily (Canada) - - NEWS CAPSULE -

China’s ma­jor cities rely heav­ily on wa­ter col­lected in catch­ment ar­eas that are un­der threat from en­croach­ment and pol­lu­tion, ac­cord­ing to a new re­port from the Na­ture Con­ser­vancy, a lead­ing global con­ser­va­tion or­ga­ni­za­tion.

The re­port said Bei­jing, Shang­hai and 28 other ma­jor cities de­pend on sur­face wa­ter for daily con­sump­tion.

But it noted that 73 per­cent of the wa­ter catch­ment ar­eas that sup­ply that sur­face wa­ter had medium to high pol­lu­tion lev­els.

The ar­eas af­fected by medium to high pol­lu­tion lev­els sup­ply around 82 mil­lion peo­ple with wa­ter, the re­port said.

The re­port said the vast ma­jor­ity of wa­ter con­sumed by the ma­jor cities, 93 per­cent, came from col­lected sur­face wa­ter. The other 7 per­cent was drawn from un­der­ground reser­voirs and other sources.

The 30 cities, which are home to one-third of the country’s pop­u­la­tion, de­pend on 135 sur­face wa­ter catch­ment ar­eas.

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