France, which emitted 408 million tonnes of C02 equivalent last year, hopes to reach 270 by 2030. Prime Minister Elisabeth Borne is due to unveil her action plan on Monday, May 22.

The government is looking for a form of "fairness" in the efforts to be made. Carpooling, electrification of vehicles, replacement of oil-fired boilers are some of the ideas being considered. "The small ones do a little, the big onesDo a lot and everyone does their part," a source says.