Plants absorb carbon dioxide and feed us oxygen. So it's pretty much a no-brainer: Plowing down our forests is a bad idea. What's driving the destruction? And is anything being done to stop it?
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 »