PROAIRE, MEX­ICO CITY

Hong Kong Tatler - - Features -

The United Na­tions de­scribed Mex­ico City’s air in 1992 as the most pol­luted on the planet. The city re­sponded with the Proaire pro­gramme, which has hugely im­proved air qual­ity by re­plac­ing old cars, re­lo­cat­ing re­finer­ies and fac­to­ries, ban­ning cars one day per week in the met­ro­pol­i­tan area and im­ple­ment­ing a bike­shar­ing scheme. The city is now fo­cus­ing on ur­ban green­ing and has built nu­mer­ous ver­ti­cal gar­dens.

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