Sea level rise and climate change will mean that severe storms such as those witnessed this winter will become more frequent and have an increasing impact upon our coastline.
Wrth i lefel y môr godi a’r hinsawdd newid, bydd stormydd mawr fel y rhai gawson ni’r gaeaf diwethaf yn dod yn fwyfwy cyffredin, gan effeithio ar ein harfordir.