FILE PHOTO: Water vapour billows from smokestacks at the Smurfit Kappa Cellulose du Pin plant in Facture, southwestern France, January 29, 2016. REUTERS/Regis Duvignau
FILE PHOTO: Water vapour billows from smokestacks at the Smurfit Kappa Cellulose du Pin plant in Facture, southwestern France, January 29, 2016. REUTERS/Regis Duvignau