World's Oceans Hit Highest Temperature on Record

The world's oceans are hotter than ever recorded, new data suggests, as they suffer from human-caused climate change and the growing El Niño weather phenomenon. The average surface temperature of the planet's seas outside the polar regions hit 21.1C (70F) on Saturday, according to figures from the European Copernicus climate change service. That edges past the 21.09C recorded on three separate…