ISt. Petersburg yidolobha lesibili ngobukhulu eRussia ngokwendawo nenombolo, futhi ibhekwa njengenhlokodolobha yamasiko ezweni. Cabanga ngezansi ngezinkinga zamanje zedolobha.
Ukungcoliswa komoya
Petersburg, kunezinga eliphezulu kakhulu lokungcola komoya, ngoba amagesi okukhipha izimoto nezimboni zamakhemikhali nezensimbi angena emoyeni. Phakathi kwezinto eziyingozi kakhulu ezingcolisa umkhathi kukhona okulandelayo:
- i-nitrogen;
- i-carbon monoxide;
- i-benzene;
- i-nitrogen dioxide.
Ukungcoliswa komsindo
Njengoba iSt. Petersburg inabantu abaningi futhi inamabhizinisi amaningi, idolobha alikwazi ukugwema ukungcoliswa komsindo. Umfutho wohlelo lwezokuthutha nejubane lokushayela lezimoto kuyanda minyaka yonke, okudala ukudlidlizela kwemisindo.
Ngaphezu kwalokho, izakhiwo zokuhlala zedolobha zifaka iziteshi eziguquguqukayo, ezingakhiphi imisindo ethile kuphela, kepha futhi nemisebe kagesi. Ezingeni likahulumeni wedolobha, kwathathwa isinqumo, esiqinisekiswe yiNkantolo Yezokulamula, ukuthi zonke iziteshi eziguqula isimo sombuso kufanele zisuswe ngaphandle kwedolobha.
Ukungcoliswa kwamanzi
Imithombo esemqoka yemithombo yamanzi yaleli dolobha uMfula iNeva namanzi eGulf of Finland. Izizathu eziyinhloko zokungcola kwamanzi zimi kanje:
- amanzi angcolile endle;
- ukulahlwa kwemfucumfucu yezimboni;
- amapayipi endle;
- Ukuchitheka kwemikhiqizo kawoyela.
Isimo sezinhlelo ze-hydraulic sahlonzwa yizidalwa zemvelo njengesingagculisi. Ngokuqondene namanzi okuphuza, awahlanzwanga ngokwanele, okwandisa ingozi yezifo ezahlukahlukene.
Ezinye izinkinga zemvelo zaseSt. Petersburg zibandakanya ukwanda kwenani likadoti oqinile wasendlini nowezimboni, ukungcoliswa kwemisebe namakhemikhali, kanye nokwehliswa kwezindawo zokungcebeleka. Isixazululo sale nkinga yezinkinga sincike ekusebenzeni kwamabhizinisi nasezenzweni zomuntu ngamunye ohlala edolobheni.
