Scientists delivered what the article calls their starkest warning yet about fast change in the oceans.

They say the seas absorbed record heat equal to forty times the world’s energy use in a year.

Listed effects include severe marine heatwaves, higher acidity, and water that is becoming saltier.

The article also reports wide loss of habitat for wildlife that cannot adapt quickly.

Marine heatwaves in Europe are described as an immediate problem for fisheries as species leave or die.

Fishing towns face sharp declines, and managers are struggling to update their plans.

The piece says shifting temperature and chemistry also threaten coastal communities and sea-based industries.

Read the full story on the ocean heat warning and the pressure on fisheries.