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By Deborah Zabarenko, Environment Correspondent WASHINGTON (Reuters) - Fast-melting Arctic sea ice appears to be pushing walruses to haul themselves out onto land, and many are moving around the area where oil leases have been sold, the U.S. Geological Survey reports. [More]

In addition to knowing your exact route and even how many calories you've burned, you can now find out the environmental impact of every public transit trip you take--and how much better it is than if you had taken a car. City living just got a little more smug

These elements are the building blocks of a modern society, and China has all of them. Until now

Even if you don't care about the environment or animal welfare, you should care about this: The antibiotics conventional farms pump into their birds results in deadly bacteria that doesn't respond to normal treatment. Forget whether it tastes better or is nicer to the bird. Non-organic chickens are a public health issue.

As New York's mayor looks beyond politics and business, how far can the billionaire push his philanthropy and urban ideas?

If you are considering buying company cars or expanding your current fleet, here's a look at three cars worth the investment.

Dear EarthTalk : I heard about something called the Green Caf

The Ajiro--a concept from Australia--would come from the Earth fully formed. Is this the first step for a sustainable manufacturing economy?

Whether youre presenting to investors, customers, or employees, communications expert Bill Rosenthal says you should be sure to avoid these gestures, expressions, postures, and eye movements. Never look away from your audience. In the outside world you may multitask and look at your Blackberry while ordering a latte, but never lose eye contact with those who have come to hear you speak.

Quitting college at 18 to move to Silicon Valley and pursue your startup is the stuff of Hollywood dreams. Now add a billionaire benefactor bankrolling you, and the pressure to prove that entrepreneurship rivals Harvard as a path to success. The inaugural class of Thiel Fellows is blogging about their experiences for Fast Company.

The local food movement in America is gaining steam. The question is whether can it attract sufficient capital from the private sector to build large, profitable businesses.

By Deborah Zabarenko, Environment Correspondent WASHINGTON (Reuters) - An iconic species of the American West, the whitebark pine, is at risk of extinction from climate change and disease, the U.S. Fish and Wildlife Service said on Tuesday, but no immediate action is planned.

Mobius has created an SUV that's strong enough to brave Africa's deteriorating roads, but frills free, to make it more affordable. Imagine a place where 2 million kilometers of roads have become virtually non-functional after decades

People the world over eat more fish than the environment can sustain. In Europe, they ate a year's worth of fish by July 2

The company touts its environmental investing and shrinking carbon footprint and--oh yeah--how it's working to fix the housing crisis it helped start.