Traditional wind farms require constant wind speed and direction - they also tend to be big, rural, expensive and controversial.

The Chicago company, Aerotecture, has taken a different if not opposite approach.  Their turbine is designed to not only work in swirling urban wind, but…

This is an exciting idea - using GPS enabled devices to calculate the carbon footprint of employee travel.  By the sound of it, no manual input is required and the system can be configured in various ways - target goals, comparison, etc.  By using individual devices, the system is lightweight…

The Wall Street Journal reported today that Americans have reduced their VMT (vehicle miles traveled) by 40 billion in the last seven months, with high gas prices to blame.  The article is framed as a crisis due to lost gas tax revenue and the resulting drop in funding for highway…