Proclaiming "a rebellion against the visual assault of media giants (with) a stranglehold over messages and meaning in our public spaces," dozens of artists have reclaimed the streets of Paris during the climate summit with 600 potent ad takeovers aimed at calling out the hypocrisy of corporate sponsors who are, in fact, part of the problem. Their furious message: Climate change "is not somewhere else" and "This country was not built by men in suits."