“Yng Nghymru ac Iwerddon, rydyn ni’n dibynnu ar hyn o bryd ar amddiffynfeydd artiffisial i ddiogelu ein dinasoedd, trefi a chysylltiadau teithio pwysicaf rhag llifogydd a stormydd.
“In Wales and Ireland, we currently rely on man-made sea defences to protect many of our most important cities, towns and transport links from floods and storms.