As well as taking action to reduce emissions, we are acting decisively now to address the risks these changes pose for our country.
Yn ogystal â chymryd camau i leihau allyriadau, rydyn ni'n mynd ati mewn ffordd benderfynol nawr i fynd i'r afael â'r risgiau y mae'r newidiadau hyn yn eu peri i'n gwlad.