Gwn y bydd y penderfyniad hwn yn peri pryder gwirioneddol i rai, ond mae’n benderfyniad a wnaed ar ôl i mi roi ystyriaeth lawn i’r mater, gan gynnwys yr holl dystiolaeth wyddonol sydd ar gael, ac ar ôl i mi fynd ati’n ofalus i ystyried yr ymatebion i’r ymgynghoriad cyhoeddus.
I am aware that this decision will cause some people genuine concern, but it is a decision that I have taken based on full consideration of the matter, including the substantial scientific evidence available and after careful consideration of the responses to the public consultation.