2009 in Trains, Planes, Boats, Bikes, and More

26 December 2009 - 7:00am

Treehugger has a look at the best and worst transportation technology of 2009, from solar planes to bike highways.

"Sunseeker II Solar Plane

We're still pretty far from commercial sun-powered flight, but solar aviation pioneers are doing more impressive things all the time. In 2009, one of the stories that TreeHugger readers seemed to like quite a bit was about the Sunseeker II solar airplane."

Source: Treehugger, December 23, 2009
Bookmark and Share
All of that only scratches the surface of what's wrong with this study. The idea that complex urban development patterns and human behavior can be meaningfully studied according to one primary criteria — density — is wrong from the start.