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Some of the worst pollution comes from cars. “There is no prospect of the government meeting its climate targets unless it takes action to cut transport emissions,” said Colin Howden, the director of the transport campaign group, Transform Scotland.
“Unfortunately Alex Salmond's government appears entirely wedded to making things worse. The roads budget has risen by 40% in the past five years while the funds available for investment in sustainable transport has remained flat.”
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http://www.robedwards.com/2012/11/we-are-going-to-miss-climate-targets-says-scottish-government.html