GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Gallai’r allbwn procsi fod yn nifer o dunelli o garbon deuocsid a gaif eu dal a’u storio mewn coetir newydd ar fferm (wedi’i amcangyfrif yn seiliedig ar arwynebedd y tir a’r math o goetir)