Rail

Green Party Leader Natalie Bennett argues the government should improve "Slow Speed 1" regional lines before throwing its cash at High Speed 2

David Cameron calls high-speed rail link an "engine for growth" that will reinvigorate regional economies

Study suggests bigger than expected carbon savings can be realised by ensuring freed up rail capacity is used for freight

Programme of investments should see 170,000 extra seats, while slashing the carbon footprint of UK's railways

Season ticket prices increase by an average of 4.2 per cent from today, prompting protests from campaigners

Supermarket says new link to South Wales will cut CO2 by 60 per cent compared to road haulage

Solar PV cells embedded in new glass roof could provide 10 per cent of station's electricity

Extending high-speed rail beyond Birmingham would increase emissions benefits fourfold, but savings dependent on a green energy system

Will Nichols reveals how the Swedish capital is awash with advanced green technologies that authorities hope will render it carbon neutral by 2050

Will Nichols finds out how a building heated by tapping into a Swedish subway station has sold for €200m