The energy crisis that the world is going through is not the first, but it could be much more serious than the previous ones. The crises of the late 1970s were said to have put an end to the Glorious Thirty. This concept, based exclusively on an indicator, GDP, which is far from representing all the characteristics of a country, is misleading since growth was strong because in the aftermath of the war, production was weak. It ignores cruel realities such as the stagnation of life expectancy, the ten thousand deaths each year on the roads or the tens of ...