09 October 201923.02 With the waste we have "hit the bottom": more than 70% of the marine ones are deposited in the Italian seabed and 77% is plastic. for the protection of the Environment (Snpa), based on the main results of monitoring the quality of our seas. The sea of ​​Sicily, with 786 objects found and a total weight of more than 670 kg, is among the largest submarine landfills in the country, followed by Sardinia with a total weight of 86.55kg.