Nature: Climate change researchers and the agencies that fund their work should do more to cut the community’s carbon footprint, says an atmospheric chemist who has calculated the carbon emissions of his colleagues. Andreas Stohl examined all the work-related emissions of his fellow researchers at the Norwegian Institute for Air Research, Kjeller, in 2005, 2006 and 2007. He found that travel alone led scientists at the institute to contribute 3.9 to 5.5 tonnes of carbon dioxide to the …