La speranza di vita nella Cina del nord è di cinque anni inferiore a quella nel sud del paese: il motivo è l’ampio uso di carbone per il riscaldamento.
Alcuni studiosi intrnazionali hanno preso in considerazione le due parti del paese divise dal fiume Huai. Nel nord, fino al 1980, il carbone era distribuito gratis dal Governo e questo ha lasciato l'abitudine ad un uso intensivo del prodotto fossile.
I ricercatori affermano che la differenza nella speranza di vita è dovuta ai decessi per ragioni legate, almeno in parte, all'inquinamento come le malattie respiratorie e del cuore, gli infarti e i tumori ai polmoni.
(RedMM/txt/ats)
Gallery video - Cina troppo inquinata
Gallery image - Cina troppo inquinata
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