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Sun 4 Dec 2016 01:16 PM

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Video: Four cities pledge diesel ban to fight pollution

The mayors of Paris, Mexico City, Madrid and Athens have pledged to do their bit to try to clear the air in their respective cities.

At a meeting of world mayors held in Mexico, they vowed to ban diesel vehicles within a decade that they said would i.\n\n(Source: Al Jazeera English YouTube channel)