Natalie Bennett has claimed the "mess" of the British transport system could be fixed if there were better alternatives than the HS2 railway.
The plans to build a high-speed line that will connect London to Manchester have received plenty of controversy. Because of the demolition which will be required, the railway has been met with several legal challenges from wildlife trusts. It will also require a number of homes to be demolished.
The Transport Secretary, Chris Grayling, has insisted HS2 will go ahead. But Bennett, the former leader of the Green Party, told Julia Hartley-Brewer that the money could be better spent elsewhere.
Listen to the interview above.