This includes alignment with the highest standards of environmental protection which have delivered cleaner air, beaches and water and maintaining or improving levels of protection for workers.
Mae hyn yn cynnwys cydweddu â’r safonau uchaf o ran diogelu’r amgylchedd sydd wedi sicrhau aer, traethau a dŵr glanach, a chynnal neu godi lefelau diogelu gweithwyr.