The delicate tremble of aspen leaves in low-wind conditions may generate enough backup energy to save and extend the life of future Mars rovers.

Green Grammy goodies, wolf hunt, 'Earth from Space,' 'Reef Wranglers'.

In a controversial book on ecotourism and endangered species, primatologist Craig Stanford reveals the economics of conservation.

Olympics officials are trying to make February's Winter Games in Korea one of the most environmentally friendly gatherings ever.

As GOP presidential hopefuls sound the alarm on the global warming hoax, we've uncovered the smoking gun: irrefutable proof, backed by flawless logic, that clim

Sen. James Inhofe is trying to set himself up as a 'climate hoax' expert, but he lacks even the basic facts about climate change in his own state of Oklahoma.

Reducing carbon dioxide may be solved in storing emissions in deep, subterranean rock throughout the country.

The Fountain of Youth in pill form? 'Miracle' drug that could make us all centenarians is set to begin human trials.

Many people today get their news via Facebook, but most probably give little thought to how the social media network filters the stories they see.

It's rare, but it's real. Here's how to keep it from happening to you.

More than 400 people have had problems filling EpiPen prescriptions. Maker Mylan has had "intermittent supply constraints," which may reduce availability.

Epidiolex is the first marijuana-based drug to earn FDA approval.

Researchers in Brazil are experimenting with sterilized fish skin as bandages for burns.

On the way to a palliative care facility, cancer patient Ron McCartney had one request: a caramel sundae.

Hailey Dawson has a 3-D printed hand and team spirit for days.

Black women's contributions to society have often been overlooked, yet these pioneers in science, technology and medicine have changed history.

Researchers find that more than 10 percent of patients may be taking aspirin unnecessarily, and the risks may outweigh the benefits.

To fight climate change and deforestation, Ethiopia is turning to trees in a big way.

Michigan state parks are teaming up with Bob Ross Inc. to plant lots of 'happy little trees.'

Residents of Harriman, TN share their experiences during and since the billion gallon coal ash spill.

How big of a problem is the nation's collective coal ash waste? How bad is it in Tennessee? What's going on in D.C.?

After nearly 100 years of burning coal to heat and cool Congress, the U.S. Capitol Power Plant will switch over to less harmful natural gas.

Drinking water near last year's billion-gallon coal ash spill in Tennessee is choked with arsenic and lead, and TVA is shipping cleaned-up coal ash to poor comm

From Vietnam to London to rural Boone County, Iowa, these fancy footbridges are a feast for the eyes.

Woodland hawks, attracted by the songbirds that love backyard feeders, are thriving in cities.

Researchers from the University of Wisconsin-Madison find that city blocks with 40% or more tree coverage are naturally cooler than blocks with fewer trees.

The District of Columbia had the most LEED-certified square footage per capita in 2011.

With the U.S. Green Building Council's Greenbuild International Conference and Expo about to kick off in San Francisco, the organization announces the recipient

Global survival game places you in a biodiverse world that rises or falls based on how you protect or abuse its resources.

Researchers have managed to pinpoint the time you're most likely to meet a spider.

A drone has found a vast catshark nursery on the seafloor west of Ireland, say scientists with the SeaRover survey.

Annual event, which encourages people around the world to power down for one hour, teams up with the cast and crew of 'The Amazing Spider-Man 2'

This Earth Hour, celebrate the beautiful moments in nature that only occur after the sun goes down.

Green Shipping lets businesses and individuals measure and offset the CO2 emissions of packages when using UPS, FedEx or the U.S. Postal Service.

Amazon.com may be offering new eco-friendly shipping options to its customers if it capitalizes on a new patent.

The Lit Motors C-1 can cruise 200 miles on a charge, and even a truck can't pull it over.

Video: Pizza Fusion shows us how any job can become a green job with the right attitude and practices.

With the Living Building Challenge now under its belt, the facility is being heralded as one of the greenest buildings in the world.

Beauty abounds in the weather-warped details of Dwell Development's latest net-zero residence.

Forget Pat Conroy ... nothing says 'summer reading' like upcycling bibles and tiny house memoirs.

James Furzer's simple design is still situated on the streets — yet lifted slightly above them.

From the man who brought you the giant tetrahedron on 57th Street...

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

Eelgrass is thriving again, thanks to the help of a sea otter rehabilitation program.

The Sisters of the Monastery of the Dominican of Order have cared for the rare salamanders for 150 years.

This year's winning travel image from the Nat Geo contest features the beautiful tail of an endangered humpback whale calf.

Bring the great outdoors into your home with Three Bad Seeds' line of wilderness-inspired pillows handcrafted from repurposed scrap fabrics.

A roundup of some of the weirdest — or shall we call them unique? — sleeping bags out there.

New research finds mean spiders know what it takes to survive extreme weather.

Pink slime is said to recover 10 to 12 pounds of edible lean beef from every animal and save another 1.5 million animals from slaughter, but does that diminish