Every Saturday and Sunday at 6.15 p.m. and 7.15 p.m., Marion Calais receives a guest at the heart of the news. Today, Marion Calais receives Robert Vautard and Jean-Paul Hamon to talk about the heat wave in France.

Guest (s): Jean-Paul Hamon (general practitioner and honorary president of the Fédération des Médecins de France) and Robert Vautard (meteorologist and climatologist, director of the Pierre Simon Laplace institute specializing in climate science)