Under Salt Marsh: detective drama uses the Welsh coast to explore climate anxiety

Under Salt Marsh: detective drama uses the Welsh coast to explore climate anxiety

Morfa Halen means “salt marsh” in Welsh. This tidal island is a delicious invention of Sky Arts’ new detective drama, Under Salt Marsh, although it has very real antecedents in north Wales. Shell Island on the Mochras peninsula, near Harlech, inspired writer and director Claire Oakley. Morfa Halen is cut off from the mainland nightly, when the tide swamps the causeway. This isolation is emphasised through an overhead shot of a car cutting a foam…