Gone wild: the rhododendron thrives in Ireland’s moist air. Illustration: Michael Viney

To travel the shores of Killary Harbour, Connacht’s big fjord, just now is to be bathed from time to time in the rosy glow of Rhododendron ponticum. W(...)

Seabed: would too many oysters spoil the mix of life? Illustration: Michael Viney

Once upon a time, the oysters of Ireland were a native mollusc, thriving in the island’s more sheltered bays. At Clew Bay, in Co Mayo, in the late 180(...)