Composites sustainability is a multi-angle story. On one hand, composites deliver massive environmental advantages: lighter vehicles, longer turbine blades, stronger structures, and huge lifetime efficiency gains. On the other hand, the way we make, repair, and dispose of composites still leaves plenty of room for improvement. It isn’t a simple “good or bad” debate. Today, composites are often the most sustainable option available — and if we push their sustainability even further, they’ll...