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Care needed over rail claims

Sketch of some documents (default image for news

A new study has suggested that investing in high-speed rail can bring various benefits, but should not be marketed as a major part of efforts to combat climate change. The study, 'The Future of Interurban Passenger Transport' by the Swedish transport economist Per Kågeson, calculates the effect on emissions from building a new high speed line connecting two major cities 500 kilometres apart. It says there is no reason to prohibit investment in high-speed rail on environmental grounds as long as the carbon gains outweigh the emissions during construction, but the greenhouse gas savings are sufficiently small that it would be wrong to justify such investment as a solution to climate change.