Ers i'r DU ymuno â'r UE, mae cynnydd sylweddol a chynaliadwy wedi cael ei wneud ar ddatblygu safonau gofynnol ar gyfer materion ansawdd bywyd hanfodol megis yr amgylchedd, hawliau yn y gwaith a chydraddoldeb.
Since the UK joined the EU there has been significant and sustained progress in developing minimum standards for vital quality-of-life issues, such as the environmental, rights at work and equalities.