Translate the following English sentence to French:
"Firstly, and this is perhaps the basic point of the proposal, the idea, which goes hand in hand with recycling and the use of waste, that we should use materials which will subsequently cause less pollution."
Premièrement, et c'est peut-être là l'élément fondamental de cette proposition, l'idée, inhérente au recyclage et à l'utilisation des déchets, d'utiliser des matériaux qui postérieurement, polluent moins.