Wind turbine blades have to be light and strong, which makes them very difficult to recycle 2/23/18, | Kalina Oroschakoff | POLITICO [EXCERPT] Read Full Article One source of clean energy is turning into a dirty problem for Europe. The Continent's first wind farms, built three decades ago, now host many towers that are too old, too small … Continue reading Small old wind towers make for big new problems.