bangash stefan miller is here to see for himself could grass pellets really replace wood and how much demand is there is it really more sustainable to make paper from grass these are key criteria for the known approval. this was this is a box we produce it has to look good too good for the better it looks the more people use it and that's the key really. is that it's also very reusable the thing you know. the softer syria that's the goal the more the consumer uses it the better the carbon footprint that. doesn't this is the raw material that we sell the paper mills for we've got to make pellets from grass so that's what i'd really like to see her thing is of course you're welcome to see the entire process but let's go take a look. at the surface before he invests in the project stefan wants to see the entire production change from grass to pellets to paper. the german capital berlin is also a hub of innovation what was once europe's biggest multitasks has gradually been transformed over the last 10 years the idea is to live and work under one roof as socially creatively and ecological