The Future of Transportation on a Planet with 7 Billion People
Photo: Flickr, CC
Take a Step Back and Look
As we near the moment when our planet officially hosts 7 billion people (of course this is just a statistical guess - nobody's sure precisely how many humans are on Earth), we need to take some time to think about some of the big issues that we'll have to face in the future. Transportation is a big one, and in this post I will try to take a bird's eye view of what we should focus on and how we should approach the problem. I certainly won't pretend to have all the answers, but...Read the full story on TreeHugger

Simulation of a section of the project, from 2.7 miles away: 
Photo credit: Michelle Kaufmann
Michelle Kaufmann judged this year's Solar Decathlon and here are some of the photos she took at the event which took place at the National Mall's West Potomac Park.
Spending time in this home as a juror for the
The Moving Planet March in San Francisco on September 24, 2011. Photo credit: Matt Wyatt.
This past weekend, hundreds of thousands of people across the U.S. (even more globally) took to the streets, local parks, bike trails, public monuments, and more 
The low-lying Pacific island nation of 
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Photo credit: Michelle Kaufmann
Michelle Kaufmann judged this year's Solar Decathlon and here are some of the photos she took at the event which took place at the National Mall's West Potomac Park.
Spending time in this home as a juror for the




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Burning Falla. Photo Credit: Manuel Molines
During the 

