French foreign minister and President of the COP21 Laurent Fabius, center, applauds while United Nations Secretary General Ban Ki-moon, left, and French President Francois Hiollande applaud after the final conference of the COP21, the United Nations conference on climate change, in Le Bourget, north of Paris, Saturday, Dec.12, 2015. Nearly 200 nations adopted the first global pact to fight climate change on Saturday, calling on the world to collectively cut and then eliminate greenhouse gas pollution but imposing no sanctions on countries that don't. (AP Photo/Francois Mori) [AP - François Mori]

Cinq ans après la COP21, un sommet pour raviver la flamme

Cinq ans après la COP21, un sommet pour raviver la flamme