originally this week , we   learned that mood change could putthe craft beer industryout of business . Now , we bump out it ’s occur for our account .

Cultural treasures from the Leaning Tower of Pisa to the ancient metropolis at Carthage and the Patriarchal Basilica of Aquileia   could be devastated by   major implosion therapy and coastal eroding by the close of the 100 , warns a study recently published in the journalNature Communications .

While it has been known for quite some clip that mood change poses a big threat to many of the 1,092 cultural and natural wonders on the 2018   World Heritage List – seethe metropolis of Veniceas a prime example   – there has been little enquiry into the matter . To repair the situation , researcher   led by Lena Reimann , a geographer at Germany ’s Kiel University , assessed the scourge of implosion therapy and erosion cause by ocean layer rise at 49   UNESCO inheritance website in the Mediterranean , choose because they are look at to be the most at danger .

Every one of the   sites is located   in the Mediterranean Low   Elevation Coastal Zone , have in mind they are no more than 10 meters ( 33 animal foot ) above ocean level . Italy had the greatest concentration of sites ( 15 ) , followed by Croatia ( 7 ) , Greece ( 4 ) , and Tunisia ( 4 ) .

The squad modeled four different sea - grade - rise scenarios from 2000 to 2100 , accounting   for different levels of greenhouse gas emissions and ice sheet melt . Even the most affirmative projection predicted the vast majority are at extreme risk of implosion therapy and coastal wearing .

In fact , 90 percent of the sites studied arealreadyat endangerment   – 37 of the 49 sites are threatened by flooding ( this could jump to 40 by 2100 in the worst - case scenario ) and 42 are threatened by coastal erosion . By the terminal of the century , the researchers predict that only two sites ( the   Medina of Tunis and   Xanthos - Letoon in Turkey ) will not be threaten by either .

The Floating City ( aka Venice ) is renowned for its labyrinth of epithelial duct and lagoons . It is also expected to see the worst   flooding as a resolution of sea level ascension . During a once - in-100 - geezerhood storm surge ( found on current expectations ) , as much as 98 percent of the city could be submerged .

The site   threatened most by coastal eating away is Tyre , a Phoenician city in modern - daylight Lebanon . Not only is it located exactly on the Mediterranean coastline , but the ground is specially sandy and waves attain an average height of 0.7 meters ( 2.3 feet ) , putting it at an passing high risk . The locations with the second - great risk are the Pythagoreion and Heraion of Samos in Greece .

What now ? You may be lure to snap up your passport , pack your travelling bag , and book the next flight of steps to Athens and we would n’t blame you . But the bailiwick source want the research to raise awareness and further policymakers to evolve strategies to protect these historical bequest in the font of rising ocean levels . Officials in Venice , for example , are installing a roving barrier system to ward off floodwater . Others are   slower on the intake .   Reimann and co. hope that , in these cases , UNESCO might step in .