Ecology & Design University of Colorado Abstract: This paper basically shows the reasons to use the bicycle as an alternative mode of transportation. It will points out the benefits of the use of a bicycle. It will also show what is being done to get rid of the negative aspects of using a bicycle for transportation. Bicycling is one of the fastest growing forms of recreation. People are drawn to it for many reasons, being out in the fresh air, the thrill of speed, the physical challenge, along with many other things. But there can be man ....