I have concluded that I will introduce, through amendments to Part L, a requirement to reduce greenhouse gas emissions by 8% from 2010 levels.
Rwyf wedi dod i'r casgliad y byddai'n cyflwyno, drwy ddiwygiadau i Ran L, gofyniad i leihau allyriadau nwyon tŷ gwydr 8% o lefelau 2010.