Our work consists in an exploration of the integration of sustainability in the financial sphere, with a particular focus on capital markets and its actors, centered on the following research question : “are financial markets putting a price on the positive sustainable and environmental performance of firms?”. Our research is carried out within the theoretical framework of asset pricing, which is currently at the crossroads of two major revolutions. On the one hand is the sustainability revolution, which brings a challenge to these actors in the form of a massive global systemic risk which can only be compared in its possible global impact to the threat once posed by weapons of mass destruction. As financial actors are starting to understan...