Whammy Biyu: Canjin Yanayi yana shafar gurɓacewar iska

Bincike ya nuna mummunan tasirin sauyin yanayi akan gurɓatar iska , wanda hakan ke ƙara yin tasiri ga mace-mace a duniya

Wani sabon bincike ya nuna cewa sauyin yanayi a nan gaba idan ba a magance shi ba zai iya haifar da mutuwar mutane kusan 60000 a duniya nan da shekarar 2030 da kuma mutuwar mutane sama da 250,000 a shekarar 2100 saboda tasirinsa ga gurɓatar iska.

Binciken da aka buga a cikin Nature Climate Change ya ƙara yawan rahotanni da shaidu da ke nuna mummunan sakamako daban-daban na canjin yanayi kuma lokaci ya yi da za a ɗauke shi a matsayin "abin mamaki na gaske" ba "tatsuniya ba". Wannan binciken da Farfesa Jason West da tawagarsa suka gudanar a Jami'ar North Carolina da ke Chapel Hill, Amurka shine cikakken bincike kan yadda sauyin yanayi zai yi tasiri ga lafiyar duniya ta hanyar gurɓatar iska saboda masu bincike sun yi amfani da sakamakon ƙungiyoyi da dama na ƙirar sauyin yanayi a duniya.

Tarin samfuran da aka yi amfani da su don bincike

Masu bincike sun yi amfani da wasu samfuran yanayi na duniya da dama (Amurka, Burtaniya, Faransa, Japan da New Zealand) don tantance kimanin adadin mace-macen da za su faru kafin lokacin da aka kayyade a shekarar 2030 da 2100 saboda sinadarin ozone na ƙasa da ƙananan ƙwayoyin cuta (musamman PM 2.5). A cikin duk waɗannan samfuran, sun kimanta yiwuwar canje-canje a cikin gurɓataccen iska a matakin ƙasa wanda za a iya danganta shi kai tsaye ga sauyin yanayi na gaba.

An yi amfani da waɗannan canje-canjen a fannin yawan jama'a a duniya, don haka ana la'akari da ƙaruwar yawan jama'a da kuma canje-canjen da ke nuna ƙaruwar kamuwa da gurɓataccen iska . Sakamakon ya nuna cewa ana sa ran sauyin yanayi zai haifar da ƙaruwar mace-mace da suka shafi gurɓataccen iska a duniya da kuma a duk yankunan duniya (wanda ya fi yawa a Indiya da Gabashin Asiya) duk da cewa Afirka ta keɓe. Biyar daga cikin samfuran takwas sun yi hasashen ƙaruwar mace-mace kafin a kai ga haihuwa a duniya a shekarar 2030, kuma bakwai daga cikin samfuran tara sun annabta hakan a shekarar 2100.

Ana buƙatar ɗaukar canjin yanayi da mahimmanci

Sauyin yanayi kamar hauhawar yanayin zafi a duniya yana haifar da saurin halayen sinadarai waɗanda ke haifar da gurɓataccen iska kamar ozone da ƙananan ƙwayoyin cuta. Wuraren da ke bushewa ba tare da ruwan sama ko ƙarancin ruwa ba suma suna nuna ƙaruwar gurɓataccen iska galibi saboda dalilai kamar ƙarancin kawar da gurɓatattun iska ta hanyar ruwan sama, ƙaruwar gobara da ƙura. Murfin kore (itatuwa da ciyawa) shi ma yana fitar da gurɓatattun abubuwa masu rai a yanayin zafi mai zafi. Sauyin yanayi yana shafar yawan gurɓatattun iska wanda ke shafar ingancin iska kuma yana shafar lafiyar gabaɗaya. Yana da mummunan da'ira kuma yana farawa da sauyin yanayi tun daga asalinsa.

Sanannen sauyin yanayi bai ƙare a nan ba. Ba wai kawai yana da alhakin ƙara ta'azzara mace-mace da suka shafi gurɓatar iska ba, har ma ana sa ran zai haifar da cututtukan huhu, cututtukan zuciya, damuwa game da zafi, ƙarancin ruwa mai tsafta da abinci, guguwa da yaɗuwar cututtuka masu yaɗuwa waɗanda ke haifar da babban nauyi ga lafiyar jama'a. Rage sauyin yanayi abu ne da ake buƙata a kowane lokaci wanda zai iya rage mace-macen da ke da alaƙa da gurɓatar iska a duk duniya.

***

Source (s)

Silva RA da sauransu. 2017. Mutuwar Duniya Nan Gaba Daga Canje-canje a Gurɓatar Iska Wanda Ya Shafi Sauyin Yanayi . Yanayi Sauyin Yanayi . https://doi.org/10.1038/nclimate3354

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