I-Xinhua News Agency, e-Beijing, ngoJanuwari 10 Izindaba Ezintsha Ezikhethekile Zezindaba Ngokwemibiko evela kuwebhusayithi ye-US "Medical News Today" kanye newebhusayithi esemthethweni yeZizwe Ezihlangene, ama-microplastic "akuyo yonke indawo", kodwa awabeki usongo empilweni yomuntu. .UMaria Nella, inhloko yoMnyango Wezempilo Yomphakathi, Ezemvelo Nezenhlalakahle Ye-WHO, uthe: “Sithole ukuthi le nto ikhona endaweni yasolwandle, ekudleni, emoyeni nasemanzini okuphuza.Ngokusho kolwazi olulinganiselwe esinalo, amanzi okuphuza ama-Microplastics e-China awabonakali ebeka usongo lwezempilo emazingeni amanje.Kodwa-ke, sidinga ngokuphuthumayo ukufunda okwengeziwe ngomthelela we-microplastic empilweni. ”
Iyini i-microplastics?
Izinhlayiya zepulasitiki ezinobubanzi obungaphansi kuka-5 mm zivame ukubizwa ngokuthi "ama-microplastics" (izinhlayiya ezinobubanzi obungaphansi kwama-nanometers ayi-100 noma ezincane kakhulu kunamagciwane zibizwa nangokuthi "ama-nanoplastics").Usayizi omncane usho ukuthi zingakwazi ukubhukuda kalula emifuleni nasemanzini.
Zivelaphi?
Okokuqala, izingcezu ezinkulu zepulasitiki zizophahlazeka futhi zibole ngokuhamba kwesikhathi futhi zibe ama-microplastics;eminye imikhiqizo yezimboni ngokwayo iqukethe ama-microplastics: ama-microplastic abrasives avamile emikhiqizweni efana ne-toothpaste kanye nezihlanzi zobuso.Ukuchithwa kwe-fiber kwemikhiqizo ye-fiber yamakhemikhali ekuphileni kwansuku zonke kanye nemfucumfucu evela ekungqubuzaneni kwamasondo nakho kungenye yemithombo.I-United States isivele ikuvimbele ukungezwa kwe-microplastics ekunakekelweni kwesikhumba kanye nemikhiqizo yokunakekelwa komuntu siqu ngo-2015.
Ubutha kuphi kakhulu?
Ama-Microplastic angayiswa olwandle ngamanzi angcolile futhi agwinywe izilwane zasolwandle.Ngokuhamba kwesikhathi, lokhu kungase kubangele ukuba ama-microplastic anqwabelene kulezi zilwane.Ngokusho kwedatha evela enhlanganweni ethi "Plastic Ocean", amathani epulasitiki angaphezu kwezigidi eziyi-8 ageleza olwandle minyaka yonke.
Ucwaningo lwango-2020 lwahlola izinhlobo ezi-5 ezihlukene zokudla kwasolwandle futhi lwathola ukuthi isampula ngayinye iqukethe ama-microplastic.Ngawo lowo nyaka, ucwaningo lwahlola izinhlobo ezimbili zezinhlanzi emfuleni futhi lwathola ukuthi i-100% yamasampula okuhlola aqukethe ama-microplastics.Amaplastiki amancane angenile kumenyu yethu.
Ama-Microplastics azogeleza esheyini lokudla.Lapho isilwane sisondela esiqongweni seketango lokudla, ayanda amathuba okudla ama-microplastics.
Ithini i-WHO?
Ngo-2019, iWorld Health Organisation yafingqa ucwaningo lwakamuva ngomthelela wokunukubezeka kwe-microplastics kubantu okokuqala ngqa.Isiphetho siwukuthi ama-microplastics "akhona yonke indawo", kodwa awabeki usongo empilweni yomuntu.UMaria Nella, inhloko yoMnyango Wezempilo Yomphakathi, Ezemvelo Nezenhlalakahle Ye-WHO, uthe: “Sithole ukuthi le nto ikhona endaweni yasolwandle, ekudleni, emoyeni nasemanzini okuphuza.Ngokusho kolwazi olulinganiselwe esinalo, amanzi okuphuza I-microplastics e-China ayibonakali ibeka usongo lwezempilo ezingeni lamanje.Kodwa-ke, sidinga ngokuphuthumayo ukufunda okwengeziwe ngomthelela we-microplastic empilweni. ”I-WHO ikholelwa ukuthi ama-microplastics anobubanzi obungaphezu kwama-microns ayi-150 mancane amathuba okuthi amuncwa umzimba womuntu.Ukuthathwa kwezinhlayiya ezinosayizi omncane kungenzeka kube kuncane kakhulu.Ngaphezu kwalokho, ama-microplastics emanzini okuphuza ikakhulukazi awezinhlobo ezimbili zezinto-PET ne-polypropylene.
Isikhathi sokuthumela: Jan-11-2021