Tonilara

Each weekend of the summer I try to take a long bike ride to some part of the city I’ve never been to. I do this for three reasons. It’s...

Getty ImagesIf your next car is not electric, then it must be much smaller than your last one. Scientists have warned that the world needs to halve emissions every decade...

A woman rides a Velib bike-sharing program closed to the Eiffel Tower, seen in background, in Paris, Tuesday, Oct. 30, 2012. From London’s cycle superhighways to popular bike-sharing programs in...