I highlighted Wales’ position as the second-best recycling nation in the world, and offered to share lessons learned with other nations.
O ran rheoli gwastraff ac economi gylchol, amlygais safle Cymru fel y genedl orau ond un am ailgylchu drwy'r byd, a cynhigiais rannu gwersi a ddysgwyd gyda'r gwledydd eraill.