Reuters: Europe’s greenest modes of transport are falling behind the biggest polluters, which is contributing to a steep rise in climate-warming emissions, the European Environment Agency said on Tuesday. Road and air freight, which both have a large carbon footprint, grew slightly faster than the economy, at around 43 percent and 35 percent respectively between 1997 and 2007, the European Union agency added in its annual review of transport’s environmental impact. The market share of …