Soil organisms play a critical role in influencing a naturally occurring phenomenon known as "tree migration," say University of Tennessee researchers.

New report calls for less damage in the development of biofuels.

Energy policy has become a local issue, prompting serious debates in races across the nation.

Ethanol subsidies are such a wedge issue in Iowa that one candidate says he will stay away.

The Energy Information Administration said on Wednesday that U.S. ethanol production was down about 1 percent.

In an attempt to appease Iowa corn farmers, the sometime-frontrunner mires himself in controversy.

Travel company cancels offset program citing its inability to reduce global emissions.

European carbon market comes to a screeching halt after hackers use a phishing scheme to steal $4 million in emissions credits.

This month, scientists and tree lovers celebrate the 2nd birthday of a hybrid chestnut tree that may be a force in reducing the impacts of climate change.

Polio could be wiped out by 2018, but Gates says it will require investment and hard work.

Car-sharing service Zipcar is betting that name recognition will boost sales of its common stock in an upcoming initial public offering.

Studies show that drivers older than 85 get into fatal accidents almost 4 times as often as teens do, and intersections are a problem.

As millennials turn away from driving and car ownership, will college students finally stop keeping cars on campus?

Quant's fire-breathing electric supercar performs great — on paper. The futuristic battery tech is cool, but will it work?

Autonomous vehicles will be ready soon — to ferry retirees around closed communities.

Being stopped at red lights is more than just annoying; it also can be incredibly unhealthy.

Seen at the Geneva Motor Show, this green family hauler doubles as an office.

Running 2 groundbreaking companies at the same time, Musk succeeds by putting himself on the line more than anyone else, says author Ashlee Vance.

BMW Vision Next 100

Reebook partners with architecture firm Gensler for 'Get Pumped,' a conceptual scheme in which health-conscious drivers rule the roads.

Air conditioners have made architects lazy, and we've forgotten how to design houses that might work without it.

Bjarke attack! The Danish maverick is the subject of a climate-themed retrospective at the National Building Museum.

A solar-powered home that can charge a car is one thing. But what if power flowed the other way, as well?

Developers behind the 104-acre sustainable project in Belize promise to consider all concerns ahead of construction in 2017.

Despite inherent flaws, House in the Tree is a fanciful fir-based escape.

It's a handsome, pared-down design, but where are the wheels?

A cylindrical concrete abode named O-Pod could squeeze into Hong Kong's scarce unclaimed space.

Assembled as a local factory, the prefab housing units will house over 200 people at 3 different sites.

Milan, Italy's smoggy second largest city, envisions a future that's cooler, cleaner and swathed in green.

When people see animals everywhere in pop culture, they assume they're everywhere in real life.

With guidance from the World Wildlife Fund, Swedish retailer IKEA uses bath towels and duvet covers to spread a message of conservation.

Many well-known bird species are in danger of going extinct, according to the State of the World’s Birds 2018 report.

The mountain gorilla population is rebounding in the Virunga Volcanoes Region, according to census results announced by the African Wildlife Foundation.

White Oak in Florida promotes conservation with innovative programs for animals (and the humans who want to see them.)

International Union for Conservation of Nature has updated its Red List, and the news isn't good for Australia's reptiles.

Native only to Madagascar, 105 lemurs species have been evaluated as critically endangered, endangered or vulnerable by the IUCN.

Brazil's once-expansive Atlantic Forest has now almost completely disappeared.

Conservation efforts pay off for mountain gorillas, which have been re-classified from "critically endangered" to "endangered" by IUCN.

Only 68 critically endangered Javan rhinos are left on Earth.

The clones come from trees that were larger than any alive today.

Nonprofit, which monitors the health and safety of animals in the entertainment industry, calls the expose a distortion of the truth.

Although they are getting better at it, many consumers still do not spend every last penny that is credited to their gift cards.

After you read the last page of this new book for kids, you can start a discussion about food, farmers and eating.

You’ll refer to this guide that’s printed on biodegradable fabric with non-toxic ink almost every time you need to convert a recipe.

In 1911, the Society for the Prevention Useless Giving (SPUG) began a movement against useless Christmas gifts. It's time for a comeback.

Are two billion cars a nightmare we can avoid? MNN's auto blogger reviews a new book on the subject.

Option packages and other 'forced' features increase the base price of many vehicles, balancing out the environmental value, group says.

Your next car purchase may be based on a letter grade issued by Beltway bureaucrats.

What increasing the federal gas tax could mean for highways, green cars and the nation's bottom line.

This Spanish farmer's free-range geese fatten up naturally for migration season.