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Consommation29 mai 2013
Chateaux de sable
Pénurie en vue : par quoi peut-on remplacer le sable ?
Disparition de plages ou salification des nappes phréatiques… L’extraction massive de sable n’est pas sans conséquences écologiques. Mais la production du verre, de puces électroniques et surtout de béton armé dépendent du matériau granulaire. Quelle(s) alternative(s) possible(s) ?
