In order to sort truth from lies, more than twenty specialists in a range of areas give readers keys for understanding the issues and the stakes involved in the changing climate, the environment, and sources of renewable energy.

Debates about the environment multiply as the concrete consequences of climate change make themselves known, and moreover, economic difficulties incite a number of actors involved to put off urgent measures. Listening to one side and then another, it becomes difficult to see clearly, so various are the disciplines concerned: climate, energy, health, development, green growth, biodiversity, agriculture, tourism… So many sectors with often competing interests. In order to sort truth from lies, more than twenty specialists in a range of areas give readers keys for understanding the fundamental issues and stakes involved.