Collossal has posted up an article about a large scale Brandalism project in Paris that protests aspects of the UN COP21 Climate Conference. Seems like quite a large and well implemented art protest project. Check it out at:
http://www.thisiscolossal.com/2015/11/brandalism-fake-ads-paris/?mc_cid=d56b07292e&mc_eid=b70530c66d