CE34 - Contaminants, écosystèmes et santé”. The Generic Call for Proposals 2021 (AAPG 2021) is the French National Research Agency’s (ANR) main call. It is directed towards all scientific communities and all public and private players involved in French research. It is designed to give researchers in various scientific fields access to co-funding in a large number of research themes, basic or applied, in addition to their allocated recurrent funding.