Originally Posted by gerv
I don't think geography or climate plays as big a role in making a car-free decision possible.
The reality is that bicycling is much more pleasant in 'nice' weather than in cold, rain, and snow. Just like driving, it can be done in these places, but people will be less inclined b/c it's so unpleasant. I don't especially enjoy biking in the rain (but I do it anyway).