World's first biobricks grown from human urine

The development is also good news for the environment as bio-bricks are made in moulds at room temperature. Regular bricks are kiln-fired at temperatures around 1 400°C and produce vast quantities of CO2.

'Pay-as-you-throw' scheme to help recycling

A "pay-as-you-throw" system for household rubbish should be introduced by 2030 in UK, one of the biggest waste firms has said. Weighing domestic waste would help drive a revolution in recycling.