Prizes are great way to address technological hurdles -- what with all the recognition, the thrill of the race and the sometimes huge payouts. What are five environmental prizes still up for grabs?
The idea behind a green transportation infrastructure is one that provides opportunities for people to get around their communities using their own power -- such as walking or biking. In this article we 10 ideas for greener transportation. See more »
Agronomists, environmentalists, and economists around the globe have been debating how to feed everyone on it for years and years. See more »