3rd Gymnasio of Larissa Greece in cooperation with the 1rst Experimental school of Larissa and I-sea environnmental organisation from Thessaloniki will organise a clean up and raising awarenness action at Kouloura beach at Larissa perfecture in Thessaly. The two schools will attend a 2 hours workshop organised by I-sea about the aquatic litter. After that students will collect litter thrown at the beach and they will write down the kind of litter they have collected. At the end they will weight the litter to measure the quantity.