materials are being used says mark should say he's the head of a firm that produces a chemical for the material. what sets this apart is that we have a chemical component in the binder that's based on carbon dioxide and that increases the binding sustainability has been limited. the blue surface layer is pure plastic for the substrate beneath it twenty percent of the petroleum normally used to produce it has been replaced by industrial grade c o two. we shouldn't talk it up too much of course it's still artificial grass and not natural lawn that would be the optimum but we've been playing field hockey on artificial turf for what feels like a hundred years so it's important to us to try to do at least a little bit for the environment for the. alternatives to petroleum research and development divisions have been on the case for years german polymer