As the climate talks began yesterday over 600 posters had been put up around Paris to challenge the corporate advertising messages and allow environmental messages around the COP21 to be heard. Everything from beautiful images of nature and cartoons to fake company adverts admitting deceit.

The posters received national press coverage in France, Germany and the UK and raised issues of corporate sponsorship of the climate talks, social justice and the global economy. 130 artists from all over the world submitted hundreds of designs in English and French to the organisation Brandalism for illegal distribution by about 50 volunteers. I’ve been really impressed with the effect of this project to create discussion and change, and the power of seeing these messages in a normally commercial space. If this tactic interests you there is a wealth of information on the Brandalism website. Here are just a few of my personal poster favourites to put a smile on your face.