Another Welsh Government survey assessing behaviours that impacted the environment took place during the COVID-19 pandemic, in June and November 2020.
Cynhaliwyd arolwg Llywodraeth Cymru arall yn asesu ymddygiadau a effeithiodd ar yr amgylchedd yn ystod pandemig COVID-19, ym mis Mehefin a mis Tachwedd 2020.