This June was the hottest June in Westen Europe since records began in 1961. And while on land we're suffering extreme heat, desperate for ways to cool down. this year, eyes are on the Mediterranean Sea. It's the sea that warms the fastest in the world.

But this year, the Mediterranean got warmer much sooner: 5 to 7 degrees hotter than the usual temperature for June. We discuss this phenomenon with José Antonio López of the Spanish Meteorological Association and Justino Martínez of the Ocean Science Institute.

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