Cities, indispensable for the fight against climate change

Big cities around the world have never been as noticeable as during the meeting on the climate organized by Ban Ki-moon in New York on 23 September 2014. Since they will be the dwelling-place of two-thirds of humanity by 2030, they are a key factor in the campaign against climate change, even though the latter is but one aspect of how a 'sustainable city' should cope with development. As the Paris Climate Conference of December 2015 draws near, it is worthwhile pointing out the importance of cities given the intense urbanization under way worldwide. Owing to its know-how in this field, France has brought public and private parties together in an effort to provide an offer in terms of city-planning under the name Vivapolis