Study reveals that open-water swims have a dramatic effect on young cubs, which are forced to follow their mothers in search of food and solid ground.

It may be time to retire the groundhog and start tracking Arctic sea ice for a better prediction of late-winter weather.

Scientist captures stunning sunrise during a research mission to study polar ice in the Arctic circle.

The vanishing veneer of frozen ocean isn't just vital for polar bears.

It's unlikely that coffee or tea is growing in your garden, so after you finish that cup, put the grounds to work with these clever ideas.

Don't throw out old pantyhose! You can recycle them in many different ways.

The narrowest building in Poland is the work of Israeli writer Edgar Keret.

In order to make its employees more comfortable when they want to take a break from work, a sports marketing company from Sao Paulo, Latin Sports, asked Brazili

Duct tape is the absolute darling of the do-it-yourself set; here are some novel ways to put it to use.

There's less paper in need of binding these day, so put this simple contraption to work with these clever applications.

Bulldog rides zipline to Costa Rican treehouse home

It's time to cultivate a true appreciation for what we have.

Working with the nonprofit Solar Aid, students earn enough to bring electric light to a school in Kenya

The Environmental Defense Fund is developing a satellite that will regularly monitor 50 major oil and gas regions for methane leaks.

The whole point of getting out into the natural world is to see, smell and hear the sounds of nature.

500 square miles of Appalachian forest is gone forever due to illegal mountaintop mining, and the EPA doesn't seem to mind.

Appalachian residents witness to the atrocities of mountaintop removal as S. 696 hits the Senate.

Do they really blast the tops off of mountains to get at cheaper coal? Do they really kill whales and dolphins and call it "research". Sarah Palin on the Discov

Actress and environmental activist Ashley Judd has started reaching out to prospective supporters and fundraisers for a potential 2014 run.

After months of careful consideration, actress says her 'responsibilities and energy' need to be focused on family.

U.S. Postal Service expands electronics recycling program. Customers can trade in old cellphones for cash at 3,100 USPS retail locations.

AT&T customers recycled 50,942 devices in a single week, setting a new Guinness World Record.

Build a greenhouse. If you think a greenhouse is out of reach, think again: you can construct a simple structure, at an affordable price, in a weekend’s time.

A passive solar home in Japan boasts various energy-saving features and a sloping, stair-clad roof that doubles as hangout area/lounge for (hopefully well-behav

The O'Neill Passive House, America's first passive house retrofit project, requires as much energy to operate as a standard hair dryer.

Eco-Sense, described as North America's first code-approved, seismically engineered load-bearing insulated cob residence, is one of the first projects to gain s

Monsanto, swine flu, Lay's claim to be local, Michelle Obama's organic garden, school lunch programs and more. This video has Michael Pollan weighing in on a lo

Better World Books will send a free organic, fair trade Divine chocolate bar to shoppers who pick up three used books.

As the Senate votes to give the FDA more power, read what those in the know are saying about it.

If organic foods can’t contain genetically modified ingredients, you’d think organic food companies wouldn’t have a problem with labeling foods that conta

Stephen Colbert cuts through the “locavore flim flam” to find out what is at the heart of Michael Pollan’s latest book.

Pollan's best-selling book 'In Defense of Food' answered the question, 'What should I eat?' Now the book is a documentary, airing on PBS Dec. 30.

A videographer captures eerie footage of Colorado's High Park Fire, one of several blazes now raging in the dry, windy, beetle-infested U.S. West.

Birds may go quiet, bats may fly around and pets may become uneasy, but it's difficult to predict exactly how non-human animals will react.

'What are we supposed to do?' one hiker whispered as a puma stared them down in Sequoia National Park.

You have until Aug. 28 to get your lifetime National Park Service senior pass at the lower rate of $10.

BirdCast shows the volume and direction of birds in the U.S.

Austin's Lions Municipal Golf Course is one of 10 at-risk sites featured in a new report from The Cultural Landscape Foundation.

Whether you're planning to camp or just go for a simple hike, here are 10 things you need before you hit the trail.

The National Baseball Hall of Fame supports the Cooperstown Chamber of Commerce's anti-fracking position. Cooperstown is located in central New York, in the hea

Prize-winning design proposal revives defunct post offices by transforming them into food-sharing centers.

As the season of giving approaches, support your local food bank's commitment to give less junk food and donate only nutritious food.

Scientists are developing robots to serve as companions to the elderly.

Working eight hours a day for two years, Jalandhar Nayak cut nearly five miles of road through the mountainous terrain of eastern India.

Gilbert High School seniors in South Carolina are raising money to get service dogs to veterans with PTSD.

As the government shutdown drags on, Andrés and his team jump in to help - again.

A new study suggests people who deliver bad news are never seen as innocent.

The new and highly Instagrammable interactive exhibition in Miami Beach receives a violation for generating marine debris.

Rich Horner went diving in Manta Point, off the coast of Bali, and found a world of plastics waiting for him.

Drinking straws are one item that's days are numbered as Ikea vows to eliminate throwaway plastic products from its product range and in-store eateries.