ROME -- Climate change is affecting Europe faster than the rest of the world and rising temperatures could transform the Mediterranean into a salty and stagnant sea, Italian experts said Wednesday. Warmer waters and increased salinity could doom many of the sea's plant and animal species and ravage the fishing industry, warned participants at a two-day climate change conference that brought together some 2,000 scientists and officials in Rome.
"Europe and the Mediterranean are warming up faster than the rest of the world," said climatologist Filippo Giorgi. "It's a climate change hot spot, one of the areas where we actually see the change happening."
Scientists still don't know why the region is more sensitive to climate change, but Giorgi said that in the next decades, temperature increases hitting Europe during the summer months could be 40 percent to 50 percent higher than elsewhere. Giorgi said the effects would be similar to those felt during the deadly summer of 2003, when the extraordinary heat was blamed for the deaths of tens of thousands of people in Europe and millions of dollars in agricultural losses.
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Measurements conducted last winter off Italy's western coast at a depth of up to 300 feet showed temperatures were about 3.6 degrees above average. Temperature differences between the sea's layers create the currents that allow the Mediterranean's waters to mix and bring up fresh nutrients to feed the algae that form the basic diet of most fish species, according to the study. These temperature rises could wipe out "up to 50 percent of the species," the study said. The decline in the algae population measured last winter also reduced by 30 percent the sea's ability to absorb carbon dioxide, one of the gases blamed by scientists for heating the atmosphere like a greenhouse.
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