No specific lessons have been identified from other UK countries which could inform ways to further behaviour change in relation to landfill taxes were identified as part of the review.
Ni chanfuwyd unrhyw wersi penodol o wledydd eraill y Deyrnas Unedig a allai ddangos ffyrdd o newid ymddygiad ymhellach o safbwynt trethi tirlenwi fel rhan o’r adolygu.