The second State of Natural Resources Report (SoNaRR) was published in December 2020, with the evidence chapters published in March 2021.
Cafodd yr ail Adroddiad ar Sefyllfa Adnoddau Naturiol ei gyhoeddi ym mis Rhagfyr 2020, a chyhoeddwyd y penodau tystiolaeth ym mis Mawrth 2021.