The Louisville Green Guide is pretty groovy. In addition to local environmental news and events, the site includes a wiki that people can use to share info. That could be pretty cool if it catches on.
Meanwhile, LEO writer Stephen George has given up his car for a month and is blogging about it here. I've found that Louisville is much more bike friendly and TARC is much better than I ever gave either one credit for. (A minor rant: yesterday I rode the downtown-to-Portland portion of the Riverwalk and, great as it was, it sure would be a whole lot sweeter if it didn't have a noisy, smelly, polluted, rubber-spewing interstate roaring overhead.) Check out the Louisville Green Guide and Stephen's Share the Road blog and get your green on.
And now, for an opposing viewpoint…