Bike To Work

Today's high was 4 degrees, a record. Tonight's low is to  be -9, another record. So what could be more fun and tree-huggingly green than

Riding your bike to work. Light snow? Not a problem. Slippery pavement? Hah! A friend of mine used to do this regularly and his only complaint was that on days like this the derailleur would pack up with ice and refuse to shift.