How much of an impact can you make on carbon emissions by choosing to ride your bicycle instead of driving? And is it always the best choice? Kat and Tiff put their bike helmets back on to discuss the pros and cons of being a bike commuter (or casual rider) in America. SourcesUCLA Transportation - How Riding a Bike Benefits the Environment - https://transportation.ucla.edu/blog/how-bike-riding-benefits-environmentBicycling for Beginners - REI - https://www.rei.com/learn/expert-advice/get...