Up to 12 tons of newspapers a day are being abandoned by commuters on London Underground stations and trains, new figures show.
Free newspapers can be picked up at Tube stations
The statistics were revealed by Ken Livingstone following a question raised by the London Assembly Conservatives at Mayor's question time in January.
They have asked Transport for London to install more newspaper recycling points on the network to tackle the problem.
London Lite was launched in August last year and The London Paper a week later.
They followed the Metro freesheet which was introduced a number of years ago.