News — Human

— By Doug Moss and Roddy Scheer   Dear EarthTalk: Is there any truth to the assertion that e-bikes recharged off the fossil-fuel grid actually generate fewer carbon emissions overall than conventional human-powered bikes? —Sandy McClave, New York, NY   Well, actually, there could be… E-bike pioneer Justin Lemire-Elmore argues that e-bikes are better for the environment, at least if you compare the carbon emissions associated with producing enough extra food to fuel the rider of a standard bicycle against the emissions from coal-derived electricity used to charge an e-bike. “Although counterintuitive that a vehicle fueled by something as dirty...