7. La transition énergétique : pourquoi et comment ?

Patrick Criqui talks about the four main trajectories which are imagined to reduce the greenhouse gas emissions by a factor of 4 by 2050: sobriety, efficiency, diversity, decarbonisation. He shows

Catherine Figuière presents the basis of industrial ecology. She especially illustrates it through the example of the Kalundborg industrial symbiosis (Danemark).

Jacques Varet discusses the interest of geothermal energy for an energy transition of our societies. He shows the potential of this resource, and underlines that its unequal distribution could be

Najet Aroua discusses the perspective of an integrated management of the water resource. She comprehends this qualitative and quantitative question through the territorial scales which have to be

Jacques Véron talks about the relations between population, environment and development. He shows that these factors have to be together considered, and that a reading at different spatial scales,

François Léger talks about agroecology, its origin and its current importance. He explains its principles in a pluridisciplinary perspective and on this basis, he distinguishes between a strong

François Mancebo talks about the basis of a sustainable city, which doesn't come down to an accumulation of technical and landscape improvements, but which is linked to the outside, which includes

Jean-Bernard Marsat talks about sustainable tourism. He firstly examines several aspects of tourism: economical, environmental, societal, cultural aspects, as well as the associated stakeholders, then

Sabine Barles presents the issues associated to the sustainable city. She firstly talks about internal issues, linked to the city metabolism, to the urban nature and to the ecological inequalities.

Dans cette vidéo, Najet Aroua discute de la perspective d'une gestion intégrée de la ressource en eau. Elle appréhende cette question à la fois qualitative et quantitative à travers les échelles

Dans cette vidéo, François Léger discute de l'agroécologie, de son origine et de l'importance qu'elle prend aujourd'hui. Il en montre les principes dans une perspective pluridisciplinaire et distingue

Dans cette vidéo, François Mancebo discute des fondements d'une ville durable, qui ne se réduit pas à une accumulation d'améliorations techniques et paysagères, mais qui est reliée à l'extérieur, qui