Digital start-up often shift course in spectacular fashion; in fact, pivoting is a condition of their survival in the ultra-fast-moving world of the digital economy. But it is also not unheard-of for industrial giants to profoundly change the way they do things. The current energy transition, of which the major energy companies are at the centre, provides a few examples of just such cases. What do their strategic shifts involve? The shift that Engie has been making over the past few years is now a textbook case, and we asked Gwenaëlle Huet, Managing Director of Engie France Renewables, to talk to us about it.

Emissions of air pollutants have plummeted in France since 1990. But progress is yet to be made, especially in urban areas, in industrial zones and paradoxically in the countryside: these pollutants, which have become less visible and more subtle, are carried by winds and across borders. In this area, rigorous scientific analysis is required to allow to devote our collective and individual resources to share the actually most effective actions for our well-being.

A few weeks ahead of the Paris Climate Summit (COP21), we had an opportunity to talk with Jean-Marc Jancovici, a graduate from Ecole Polytechnique and one of the most widely acknowledged climate and energy specialists...