"More than 50,000 people took part in the climate march in Paris! Thousands [participated in the marches] in Lille, Bordeaux, Nantes, Rennes, Clermont-Ferrand and many other cities. That is the first time when the march gathered so many people in France," Greenpeace France wrote on its Twitter page.
Environmental activists marched from Paris city administration to the Place de la Republique through the Boulevard de Sebastopol.
The organizers of the event said that the goal of the march was to demand more actions from the authorities to protect the environment.
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The march followed the shock resignation of French Minister of Ecological and Inclusive Transition Nicolas Hulot, who left his post over the failure to implement the ecological program.