I have three of the most adorable nephews in the world. (Seriously – I’m totally unbiased.)  And as a passionate supporter of the environment, you can only imagine how thrilled I was when my sister sent pictures of all three boys sporting shirts with this message:  “Stop Global Warming – Ride a Bike.”  Hmmm…Not a bad idea, and it seems a lot of other people agree.  According to treehugger.com, as of October this year bicycle...