Examinations of the urban environment is an important (and ought to be integral) part of what it means to investigate "the environment." StreetFilms' various series on sustainable transportation and re-claiming the streets speak to a portion of that realization.
Part 1: Transit-Oriented Development
Part 2: Bycling
Part 3: Car Sharing
Part 4: Bus Rapid Transit
Part 5: Congestion Pricing
Part 6: Highway Removal
Part 7: Traffic Calming
Part 8: "Road Diet"
Part 9: The Right Price for Parking
Part 10: Parking Reform
One thing that you can do to show (during the summer) how much you don't rely on your car (if you one one in the first place) is to go to 2MileChallenge, join a team, and log your biking miles and challenge others to do the same!