After much hype and hypocracy, the offshore wind industry seems to be destroying more life than it preserves.
The Theory is that amoung other issues, the banging noise that travels down the massive turbine base causes the mother and calf to seperate in distress. They search for each other endlessly out of love until they are worn out of energy. Then they beach.

This seems to be the cause of whales seperating from their young and then both young and mum burn all their energy searching for each other until they end up tired and beached.