Sure, the Emerald City looked green, but you won't need green-tinted glasses to see how environmentally friendly the cities on this list are. What makes a city amazingly green? See more »

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 »

In the race to find alternative energy sources, wind power is a strong contender. In fact, it's already making its mark. How much do you know about this up-and-coming energy source? See more »

Not only do cars produce a large portion of the world's pollution, but airplanes, boats, trucks, trains and buses also contribute to pollution. Is there one magic solution to pollution? See more »

It's a lot easier than you think to "go green" -- many of these suggestions require little effort, yet can make a big difference for the environmental. Watch a video and read more about saving the Earth. See more »

For those who reduce, reuse and recycle to the beat of their own drum, here are some of the wackier ways to help better the environment and lessen carbon footprints. See more »

Agronomists, environmentalists, and economists around the globe have been debating how to feed everyone on it for years and years. See more »

Sustainable urbanism is no longer a futuristic dream. Welcome to five cities around the world that will be turning a radical shade of green in the coming decades. See more »

The transportation sector is the second largest producer of carbon dioxide emissions is the U.S. Is it possible to reduce emissions without stiffing the importing and exporting of goods? You'll discover the answer in this article. See more »

The green movement isn't going to die just because the world ends. In fact, sustainable types might even have a leg up post-apocalypse. Here's how. See more »