From London in the United Kingdom to San Francisco in the United States and Beijing in China, 19 cities worldwide have reduced two major air pollutants by more than 20% since 2010. Measures such as cycle lanes, electric vehicles and limits on polluting traffic are driving cleaner air, with some cities cutting particulate pollution by up to 45%.
(c) Derek Lee

19 Städte senken Luftschadstoffe um mehr als 20 Prozent

THE GUARDIAN

Von London über San Francisco bis Peking haben 19 Städte zwei wichtige Luftschadstoffe seit 2010 um mehr als 20 Prozent reduziert, vorwiegend dank Initiativen für Radwege, Elektrofahrzeuge und Einschränkungen stark verschmutzender Fahrzeuge.

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