The UK has a commitment to reduce emissions by 12.5% by 2010 and a domestic goal of cutting carbon dioxide emissions by 20% by 2010.
Mae’r Deyrnas Gyfunol wedi ymrwymo i ostwng 12.5% ar allyriant erbyn 2010 ac mae ganddo nod domestig o dorri 20% ar allyriant carbon deuocsid erbyn 2010.