M'mwezi wa Ogasiti, akatswiri a zamankhwala adalengeza kuti atha kuchita zomwe zakhala zikuwoneka ngati zosatheka: kuphwanya zina mwazinthu zokhalitsa zoipitsa zachilengedwe zomwe zimakhazikika m'malo ochepa.Zinthu za Per- ndi polyfluoroalkyl (PFAS), zomwe nthawi zambiri zimatchedwa kuti mankhwala osatha, zikuwunjikana mu ...
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