Sir, – David McWilliams's suggestion ("Dublin Port is a waste of space – move it", Opinion, February 10th) to develop Dublin Port into a new city has a lot of merit.
However, in light of climate change, with increases in extreme weather events and projected rises in sea level, is it a wise location for such a development? – Yours, etc,
ROBERT HALLIGAN,
Castledermot,
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Co Kildare.