A new website called WalkScore.com recently ranked the most walkable cities - San Francisco was ranked number one. The WalkScore.com website also provides walk scores for over 2,500 neighborhoods. This page on the WalkScore.com website explains what the rankings mean. They do not here that weather is not factored into their algorithm. They may want to include that in the future because some places are just too hot or cold to walk in - at least during parts of the year. (via ShoppingBlog.com)
A new website called 
