Marine debris is litter that ends up in oceans, seas, or other large bodies of water.Marine debris not just threaten the animals in the ocean,but destroy the environment that we are living. There are many countrys who live by the ocean are suffering by marine debris. According to my research,those island countrys are also suffered with the lack of building materials. But, In the same time suffering with the marine debris. Therefore, why not turn marine debris into building material. There are 80% of the marine debris are made by plastic. It’s possible to remake it into new materials.