Everytime you switch on, remind yourself to switch off. That's the message environmental artist Tanya Clarke is sending with these Liquid Lights. Made from recycled pipes and taps, the lamps use green LEDs as the light source.
When purchased, 5 per cent of the money will be donated to water education charities. She even does chandeliers out of recycled bits and bobs, which can be seen in her Californian studio on appointment.