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  1. ITV Report

Diesel cars face total ban in four of the world's biggest cities by 2025

Four of the world's major cities have joined forces in the battle against climate change - agreeing to ban diesel cars from the streets within nine years.

Diesel cars are to be banned from Paris, Athens, Madrid and Mexico City Credit: PA

By 2025, the high-polluting cars and vans will no longer be allowed in Paris, Athens, Madrid or Mexico City as mayors from each of the four cities vowed to be diesel-free by 2025.

It comes as temporary driving restrictions have been put in place by authorities in smog-hit Paris, as the French capital battles its worst air pollution in a decade.

Paris mayor Anne Hidalgo has led the initiative, speaking at last week's C40 conference of mayors on climate change in Mexico.

Car fumes have fogged up the Paris skyline for years. Credit: Reuters

"Mayors have already stood up to say that climate change is one of the greatest challenges we face," she told the conference, adding:

Today, we also stand up to say we no longer tolerate air pollution and the health problems and deaths it causes, particularly for our most vulnerable citizens.

Big problems like air pollution require bold action, and we call on car and bus manufacturers to join us.

– Paris mayor Anne Hidalgo

London mayor Sadiq Khan has been called on to make a similar commitment to phasing out diesel vehicles in the city by 2025.

Rush hour in the French capital sees thousands of vehicles drive bumper to bumper past Champs Elysees Avenue. Credit: Reuters

Campaigners have also demanded new clean air zones in all of the UK’s cities and major towns.

Soot from diesel vehicles is regarded as one of the biggest air pollution contributors, and the most harmful to human health - producing the gas nitrogen dioxide which can enter and lodge in the lungs.

Almost 500,000 premature deaths are attributed to air pollution in Europe every year and up to three million worldwide.

Traffic jams by the banks of the Seine could be diesel-free by 2025. Credit: Reuters

Mexico City's Mayor Miguel Ángel Mancera welcomed the agreement, and said increasing investments in public transport would also help clean the city’s air, and reduce greenhouse gas emissions.

Giorgos Kaminis, mayor of Athens, went one step further.

He said he would aim to remove all cars from the city centre completely in the same timescale. His city's authorities will also work with national governments and manufacturers to promote electric vehicles and cleaner transport, he added.