Ukushintsha kwesimo sezulu kanye nokuthuthuka ngokushesha kwezimboni nezolimo emhlabeni wonke kwenze inkinga yokuntuleka kwamanzi ahlanzekile yanda, futhi ukuhlinzekwa kwamanzi ahlanzekile kuya ngokuya kuba nzima, kangangokuthi amanye amadolobha asogwini nawo ashoda kakhulu ngamanzi. Inkinga yamanzi idala isidingo esingakaze sibonwe sokuchithwa kwamanzi olwandle. Imishini yokukhipha usawoti emanzini eMembrane iyinqubo lapho amanzi olwandle engena ngolwelwesi oluzungezayo olungafinyeleleki kalula ngaphansi kwengcindezi, usawoti oweqile namaminerali emanzini olwandle avinjwe ohlangothini lwengcindezi ephezulu futhi akhishwe ngamanzi olwandle ahlangene, futhi amanzi ahlanzekile ayaphuma. kusukela ohlangothini oluphansi lwengcindezi.

Ngokusho kweNational Bureau of Statistics, isamba semithombo yamanzi ahlanzekile eShayina sasingama-cubic metres angama-2830.6billion ngo-2015, sibalwa cishe u-6% wemithombo yamanzi yomhlaba wonke, ikleliswe endaweni yesine emhlabeni. Nokho, imithombo yamanzi ahlanzekile ngomuntu ngamunye ingama-cubic mitha angu-2 300 kuphela, okuyi-1/35 kuphela yesilinganiso somhlaba, futhi kukhona ukushoda kwemithombo yamanzi ahlanzekile emvelo. Ngokusheshisa kokuthuthuka kwezimboni kanye nokukhula kwamadolobha, ukungcoliswa kwamanzi ahlanzekile kubi kakhulu ngenxa yamanzi angcolile ezimbonini kanye nendle yasekhaya yasemadolobheni. Ukuchithwa kukasawoti emanzini olwandle kulindeleke ukuthi kube umhlahlandlela omkhulu wokwengeza amanzi okuphuza asezingeni eliphezulu. Imboni yaseChina yokukhipha usawoti emanzini olwandle isebenzisa ama-akhawunti angu-2/3 wengqikithi. Kusukela ngoZibandlela wezi-2015, imiklamo yokukhipha usawoti emanzini olwandle eyi-139 yakhiwe ezweni lonke, ngesilinganiso esiphelele samathani ayizigidi eziyi-1.0265/ngosuku. Amanzi ezimbonini abalelwa ku-63.60%, kanti amanzi asezindaweni zokuhlala abalelwa ku-35.67%. Iphrojekthi yomhlaba wonke yokukhipha usawoti emanzini ikakhulukazi ihlinzeka ngamanzi asezindaweni zokuhlala (60%), kanti amanzi ezimboni enza ama-28% kuphela.

Umgomo obalulekile wokuthuthukiswa kobuchwepheshe bokukhipha usawoti emanzini olwandle ukunciphisa izindleko zokusebenza. Ekwakheni izindleko zokusebenza, ukusetshenziswa kwamandla kagesi kubala ingxenye enkulu kakhulu. Ukunciphisa ukusetshenziswa kwamandla kuyindlela ephumelela kakhulu yokunciphisa izindleko zokususa usawoti emanzini olwandle.