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The decision to ban pol­lut­ing chem­i­cals that have greener op­tions will re­duce the US' car­bon emis­sions by up to 42 mil­lion tonnes by 2020

THE FIGHT against po­liovirus con­tin­ues around the world. Since May 2014, the spread of wild po­liovirus has been re­ported in Asia (from Pak­istan to Afghanistan in June) and in the Amer­i­cas (from Equa­to­rial Guinea). Recog­nis­ing that in­ter­na­tional spread of po­lio con­tin­ues to be a healthrisk to na­tions that are po­liofree, the World Health Or­ga­ni­za­tion has rec­om­mended that all trav­ellers re­ceive a dose of po­lio vac­cine be­tween four weeks and 12 months prior to in­ter­na­tional travel. It said that coun­tries should of­fi­cially de­clare that the in­ter­rup­tion of po­liovirus trans­mis­sion is a na­tional pub­lic health emer­gency and that a co­or­di­nated in­ter­na­tional re­sponse is es­sen­tial to erad­i­cate the dis­ease.

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