No. A Bilan Carbone® is single-criterion: it measures only greenhouse gases. A multi-criteria assessment (water, biodiversity, pollution, resource depletion) requires a life cycle assessment (LCA). The two complement each other: the Bilan Carbone® gives the overall view of your organisation, and the LCA zooms in on a product.
Read the source article: Bilan Carbone® method: what it measures and how to run one