The second half of 2025 was marked by the Cour de cassation’s recognition of a general duty of vigilance in environmental matters.
More precisely, by two decisions published in its official report (Cass. civ. 1st, 24 September 2025, no. 23-23.869; Cass. civ. 3rd, 13 November 2025, no. 24-10.954), the Cour de cassation endorsed the principle