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WHO verschärft Grenzwerte für Luftschadstoffe | Aktuell Welt | DW

WHO verschärft Grenzwerte für Luftschadstoffe | Aktuell Welt | DW
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Bettina hoffmannHealth of million peopleCalculation of european environmental agencyWorld health organizationAir pollutants current worldAir pollutantsDeath casesFine dustNitrogen dioxideCarbon monoxideExample nitrogen dioxideMetropolitan areasMicrogram an cubic metersNew limitsHealth risksHuman life