In April 2008 , he questioned the French president Nicolas Sarkozy during a special program hosted by Patrick Poivre d'Arvor and David Pujadas , broadcast live from the Palais de l'Élysée on both TF1 and France 2 . In June 2009 , at the World Environment Day , he presented on France 2 the broadcast of '' Home '' , a documentary film directed by Yann Arthus-Bertrand , and then hosted a debate entitled '' Comment sauver la planète ? '' . In January 2010 , he co-hosted with other presenters of France Télévisions the program '' Pour Haïti '' to help the victims of the 2010 Haiti earthquake broadcast on France 2 and France Inter
2010 Haiti earthquake
2010 Haiti earthquake
Yves Calvi