The European Copernicus program published a study on the oceans and seas bordering the old continent this Tuesday, April 23. It turns out that their temperature has never been so high. The observation is brief: "in 2023, the average surface temperature of the seas and oceans across Europe was the warmest ever recorded", announced this Tuesday, April 23, the European Copernicus program, which is responsible for studying the consequences of global warming in the old Europe. Continent. (Maxime MAINGUET, more on ouest-france.fr)