WWF, after the data on smog in Milan take urgent action. The data released by the Swiss company IQAir, which indicates Milan among the most polluted metropolises in the world, "are truly alarming and force us to reflect on what has not been done in the past and on what should be done now, with the utmost urgency" says WWF Italy.

"We need to change lifestyles, in transport, in heating, in agriculture - we read in the note from the environmentalist association - And we must start immediately, in a radical way"