Petitions http://www.petitions24.net/gaz_de_schiste__non_merci http://www.lapetition.be/list_signs.php?petid=8997&page=1 http://www.mesopinions.com/--Petrole---de-schiste-en-Seine-et-Marne--et-en-France--arretez-tout--petition-petitions-cc2ad0f8da229304cad4952ddc0b9531.html...