By establishing these principles into Welsh law, environmental protection is embedded across all areas of policy-making and decisions subject to strategic environmental assessment.
Drwy sefydlu'r egwyddorion hyn yng nghyfraith Cymru, mae diogelu'r amgylchedd wedi'i ymgorffori ar draws pob maes o lunio polisïau a phenderfyniadau sy'n destun asesiad amgylcheddol strategol.