Denmark Turns Old Wind Turbine Blades Into Stylish Bike Shelters Denmark is giving retired wind turbine blades a second life by transforming them into modern bicycle shelters. Instead of sending massive composite blades to landfills—where they are difficult to recycle—engineers are repurposing them as durable public infrastructure. The blades’ strength, weather resistance, and aerodynamic shape make them ideal for long-lasting urban use, showcasing circular design in action. Important Details: •