nirvanatgr
Joined: 11 May 2011
Posts: 1578
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 Posted: Sun Feb 05, 2012 9:36 pm Post subject: Viet nam dung top 10 khong khi o nhiem |
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Hai trung tam nghien cuu moi truong thuoc Dai hoc Yale va Columbia (My) thuc hien bao cao thuong nien mang ten The Environmental Performance Index, khao sat 132 quoc gia. Ho su dung so lieu ve tinh de do dem nong do o nhiem va tu do tinh toan ra muc do "ban" anh huong den suc khoe con nguoi nhu the nao.
Ve anh huong cua chat luong khong khi, Viet Nam dung thu 123 trong bang xep hang, chi xep tren chin nuoc khac.
Ve tong the moi truong, Viet Nam dung vi tri 79. Yeu to thu ba, chat luong nuoc anh huong den suc khoe, Viet Nam duoc xep hang 80.
Giao su Pham Ngoc Dang, Chu tich Hoi Moi truong Xay dung Viet Nam cho biet, moi truong khong khi cua hau het cac khu vuc trong thanh pho deu bi o nhiem bui, dac biet la o cac nut giao thong, cac khu vuc co cong truong xay dung va noi tap trung hoat dong san xuat cong nghiep.
Cac chuyen gia cho biet, khong khi o nhiem, dac biet la cac dang hat nho trong khong khi se gay anh huong nghiem trong toi suc khoe con nguoi. Khong khi ban va cac hat nho gay nguy co mac benh duong ho hap, benh ve phoi. Cac hat nho co the vuot qua rao chan nhu khau trang, chat nhon o trong mui, mieng de chui vao va nam lot trong phoi, gay benh nguy hiem va lau dai.
Khong khi ban cung la tac nhan tao ra ty le mac benh ve tai, mat va da cao.
Cung theo nghien cuu tren, An Do la quoc gia co chat luong khong khi toi te nhat the gioi. Ba Anumita Roychowdhury, giam doc Trung tam nghien cuu khoa hoc va moi truong An Do cho biet, khong chi o cac thanh pho lon khong khi moi o nhiem, ma o thanh pho nho moi truong khong khi con te hai hon. Theo ba, thu pham chinh la so luong xe ngay cang tang o An Do.
Cac nuoc khac co chat luong khong khi dung chot bang gom nhieu quoc gia chau A nhu Trung Quoc, Pakistan, Nepal va Bangladesh.to yen
bi quyet giu gin nhan sac
bi quyet giu gin voc dang
yen viet
yen viet
yen viet
ky nang ban hang
tieu luan triet
de thi dai hoc
kinh doanh quoc te
luan van thac sy
ngu phap tieng anhPost by netvlz37919 |
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