We’re destroying our oceans - We must turn tide on seas’ destruction

Footage of two killer whales — orcas — taken off Dublin on Saturday showed the grace and power of these magnificent, but endangered animals.

Orcas have great charisma and exude an air of independence few sea animals match. Once seen at close quarters, they leave a deep impression — as anyone who saw the pod that visited Cork city’s quays in 2001 will recall.