Wales has statutory targets (Climate change targets and carbon budgets | GOV.WALES) to reduce greenhouse gas emissions and reach net zero by 2050.
Mae gan Gymru dargedau statudol i leihau allyriadau nwyon tŷ gwydr a chyrraedd sero net erbyn 2050 (Targedau newid hinsawdd a chyllidebau carbon | LLYW.CYMRU).