ScienceDaily: It's time for us to get on our bikes if we want cycling to make an impact as a sustainable mode of transport. New research published in the Journal of Transport & Health shows that the proportion of households that own bikes has declined globally, with the average over 148 countries falling by half in the last few decades. The authors of the study, from Johns Hopkins University in the US, say their analysis could give policy makers good examples from where ownership is highest, helping them boost...