Extreme weather: World’s ocean temperatures hit record high in 2020

The world's oceans hit their highest temperatures in recorded history last year, in what scientists say is a worrying sign of the advance of global warming. There have already been devastating consequences in the form of extreme weather across the world.

The new Biden administration says that once it has dealt with the Covid crises, the climate emergency will become its absolute priority. There has been a series of terrifying wildfires from California to Siberia, as well as a record number of tropical storms in the Atlantic - so many, in fact, that scientists ran out of names for hurricanes last year.