Mae’r Dirprwy Weinidog Newid Hinsawdd Lee Waters wedi cyhoeddi £150 miliwn ychwanegol i ôl-osod tai cymdeithasol gyda thechnolegau newydd ac inswleiddiad i helpu i ffrwyno allyriadau Cymru.
Deputy Minister for Climate Change Lee Waters has announced an additional £150 million to retrofit social homes with new technologies and insulation to help curb Wales’ emissions.