Cerberus

The current heat wave in Italy is “very unusual,” says Mercalli, because of its long duration: The heat event is expected to last roughly two weeks. A study published in May estimated that, until the late 1990s, the average European heat wave would last one week or less, but this has since increased significantly due to global warming.The sweltering conditions in the Mediterranean are coinciding with extreme heat events elsewhere in the world, such as in the southern US, where temperatures could reach 120 degrees…