La Deûle à Lambersart. Photo : Velvet, CC BY‐SA 4.0 via Wikimedia Commons
Que la Deûle est polluée, il n’y a assurément que peu de Lillois qui l’ignorent. Mais alors, qu’elle le soit à ce point… Selon les données publiques des stations de surveillance analysées par les collectifs We Report et Mémoire Vive, le canal qui relie le Pas‐de‐Calais à la Belgique est un cas emblématique de la pression exercée par les micropolluants en France.
À Courrières dans le Pas‐de‐Calais, des dépassements des seuils maximum autorisés ont été enregistrés pour huit substances ces dernières années. Arsenic, plomb, zinc… les métaux et métalloïdes sont présents en quantité importante (voir...
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