In Life Cycle Assessment (LCA), the accounting of biogenic carbon is little harmonized. Different, even contradictory, approaches are identified in current standards for different sectors of the economy (biofuel, bio-based plastics, construction, etc.). The general objectives of this study are to identify the issues at stake in these approaches, in order to issue recommendations for several actors.

Food choices have a significant climate impact, which can be unknown to the public. The CIRAIG, commissioned by Polytechnique Montréal, has been tasked with calculating the climate-warming impact of the menus offered by the cafeteria, aiming to enable students to understand the impact of their meals and change their eating habits to reduce it.