In a massive act of ‘brand vandalism’ just two days before the launch of the UN COP21 Climate Conference, 600 anti-advertisement posters have been installed in outdoor media spaces throughout the streets of Paris. The posters display artwork from over 80 artists from 19 different countries, including big names such as Banksy-collaborator Paul Insect, Alex One, Know Hope, Escif, Cleon Peterson, Hyuro, Jimmy Cauty, Ron English and many others.