There’s a Paris phone number to get more information about the movement, which hopes to block the paving machines. And I have no doubt they will do that and possibly be successful.
PS - You'll note that when you see Paris depicted in films or photos, the streets appear wet like it's recently rained. This may be true but the little green men also regularly pressure wash every pavement at least once a week, and three times a week, water floods the gutters. The reason is fairly obvious: to destroy all "evidence" of the dogs... (See post dated 1/25/07.)