In addition to Wales, five other leading governments signed the Memorandum at COP21 (Catalonia, Basque Country, Manitoba, Sao Paulo and Quebec).
Yn ogystal â Chymru, llofnodwyd y Memorandwm gan bump o lywodraethau blaenllaw eraill COP21 (sef Catalonia, Gwlad y Basg, Manitoba, Sao Paulo a Quebec).