Earth is simmering in its hottest water temps on record, and that's bad for fish and us

The world's oceans simmered to their hottest temperatures on record over the weekend and are likely to warm even further in the next few months, putting stress on life in the water and on land too, the European climate service Copernicus announced Monday.

The European climate service Copernicus says the world's oceans have reached their hottest temperature on record