0 seconds of 1 minute, 36 secondsVolume 90%
Press shift question mark to access a list of keyboard shortcuts
Keyboard Shortcuts
Shortcuts Open/Close/ or ?
Play/PauseSPACE
Increase Volume↑
Decrease Volume↓
Seek Forward→
Seek Backward←
Captions On/Offc
Fullscreen/Exit Fullscreenf
Mute/Unmutem
Decrease Caption Size-
Increase Caption Size+ or =
Seek %0-9
Wind Turbine Blades Are Being Recycled As Bike Shelters
There will be an estimated 43 million tonnes of old blades to dispose of by 2050. But their lightness and strength means many could have a second life.