truly sustainable, and if you have a waste material that goes to land filling, it's not truly sustainable. it's a problem players have been scrambling to figure out. now turbine makers siemens gamesa has had a breakthrough. it manufactures some of the world's biggest blades at its site here. and while this one looks like any other, it can be recycled. it all comes down to a resin called epoxy, which acts like a really strong superglue, binding together the fibreglass, binding together the fibreglass. usually, this is incredibly tough to break down, but not here. we change something in the backbone of the chemistry, this has gone through our recycling process, we just turn it around. you can see all the different glass hairs placed through in