The oceans have never been warmer. They hit a record 21 degrees celcius average surface temperature in June, logged by Copernicus, the EU's Earth-observation programme. It's clearly taking a toll on biodiversity around the world, after years of warnings from experts.
Source: [France24](https://www.france24.com/en/world-s-oceans-break-june-heat-record-says-eu-monitor)