We are all tasked with protecting the ocean and all bodies of water – regardless of whether we live on the coast or further inland. Even plastic that is thrown away on inland riverbanks can eventually makes its way into the sea. And the harm that this causes to animals and our food sources is a cross-border problem. The Plastic Pirates – This is where the sea starts! campaign took place for the first time in Germany 2016 as part of the Science Year 2016*17 – Seas and Oceans. Now young people from three countries in Europe are taking part and form the Plastic Pirates – because avoiding plastic waste and researching the causes and relationships are tasks that we in Europe can best tackle together. We all – as citizens of Europe – are called upon to use our curiosity and our dedication to support scientists and researchers.