But I want to go further and today I am declaring our ambition to bring forward a target for Wales to achieve net zero emissions no later than 2050.
Ond rwyf am fynd ymhellach a heddiw rwy'n datgan ein huchelgais i gyflwyno targed yng Nghymru i gyrraedd targed net lle bydd allyriadau yn gostwng i sero cyn 2050.