Are New Zealand’s marine heatwaves a warning to the world?

‘‘We thought we had more time’’

The changes in the ocean are so stark they have been noticed outside scientific circles.

In the hills above Blenheim, between the wineries and pine plantations, trucks rumbled through January along the narrow road. They would make the journey 160 times over, through the hot summer months, winding from the coast to the hill and back again. Their cargo was tonnes upon tonnes of fish: king or “chinook”…