In February 2019, Carmarthenshire County Council took a pioneering step by declaring a climate emergency, committing to become a net zero carbon local authority by 2030.
Mae Cyngor Sir Caerfyrddin wedi datgan argyfwng hinsawdd a natur ac mae wedi ymrwymo'n llwyr i'r targed o ddod yn awdurdod lleol arbon sero net.