Reduce water pollution from cigarette butts. As a reminder, 1 cigarette butt thrown on the ground = 500 (cubic meters?) of polluted water !
First of all, we asked the school's principal for permission to install this ashtray. Then, we looked for recycled materials. It took us two afternoons to make the ashtray!
Do-it-yourself survey ashtray
April 7, 2021
By Lycee Marcelin Berthelot 31