Talk show host will spotlight how she and 378 staffers went vegan for a week.

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

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

A supplement derived from a tropical fern can offer extra defense against sun damage to the skin.

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

Environmental Working Group's newest sunscreen guide rates the safest sunscreens and calls out bad practices (like too-high SPFs.)

The success of two elementary school volunteer projects earned a shelter a donation from the Petco Foundation.

Is a bill that treats homelessness as a medical condition flawed? Or is it just what the doctor ordered?

Aaron Tucker was hoping a job interview would change his life, but he wound up saving a life instead.

The Salvation Army's nonprofit grocery store, DMG Foods, has opened in Baltimore with help from the Maryland Food Bank.

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

Why didn't someone think of this before?

A study found that microplastics can be kept inside water-dwelling creatures, like mosquitoes, as they age.

The universe's strongest source of energy may be the solution to one of Earth's oldest conflicts.

President Obama calls on Congress to end the oil industry subsidies.

Site for wind farms is not exactly the type of field you picture a retired NFL linebacker scouting. But Sean Tufts is not your typical retired player. Nor is he

The heat from the sun heats up metal oxides that in turn release oxygen atoms that mingle with steam. Hydrogen molecules can then be captured and stored.

As the United States seeks to rely less on imported oil, a few states are leading the charge in the renewable energy revolution.

From pistachio shell-powered eco-cities to tiny houses on the moon, this spring certainly wasn't short on starry-eyed intrigue and bold ambition.

Homeowners with top-notch credit in California, Arizona, New Jersey and 5 other states will be eligible for direct loans from the PV-installing behemoth.

You can watch Leo DiCaprio's "Before the Flood" free online.

In the documentary "One Big Home," carpenter Thomas Bena goes behind the scenes to explores the trophy homes and "starter castles" of Martha's Vineyard.

Gary Fisher, the dog owned by late actress Carrie Fisher, perked up every time Leia spoke.

Pigs are smart, emotional animals that have lived alongside humans for thousands of years. In the Year of the Pig, here are some surprising pig facts.

There can be both positive and negative effects of drinking coffee on a regular basis.

It's worth keeping tabs on some of the super-cool clean tech projects being backed by ARPA-E. Here are some of our favorites.

The style-conscious soap wizards at Method unveil plans for a wind and solar-powered manufacturing facility that will also include rooftop food production.

At the heart of an ambitious clean energy project envisioned by the Dutch is a man-made island nine times the size of Disneyland.

Furnishings that pull double or triple duty really earn their keep.

Spring cleaning can be fun for the whole family with these fun tips for getting kids involved.

Cabinets and trim crafted out of natural wood do require a certain amount of TLC to keep them at their lustrous best.

Wipe lightbulbs? Wash doormats? My spring cleaning routine strays far from The Good Housekeeping Institute's unachievable checklist.

Laundry is an endless chore. With so much hands-on experience, you'd think we know what we're doing, right? Wrong.

The tidy tradition of spring cleaning is rooted in many cultures and may even be biological.

If you can't bring yourself to go all Marie Kondo on spring cleaning this year, try taking more attainable baby steps.

Despite warnings to keep detergent pods away from children, poison control centers are still besieged with calls.

Two major home improvement retailers in the U.K. pledge to pull gardening products containing bee-harming insecticides from their shelves.

It could be that you need some bees, or that the weather hasn't been ideal, or your soil isn't right.

The Oregon city suspended the use of any insecticide containing neonicotinoids, but not everyone is happy.

Raymond Wang, 17, won prestigious $75,000 award for engineering a system to make cabin air safer.

English fantasy writer Sir Terry Pratchett smelt his own iron ore to create his knightly sword.

Robert Redford shares why he has joined the fight against the coal mine.

Private groups are shaping business plans to tap into the resource-rich environs of outer space. Early celestial targets with commercial cross hairs on them are

Deep Space Industries Inc. announced that it plans to harvest metals and water from asteroids within a decade.

Buried deep in your cellphone, laptop, and flat-screen television are a bevy of obscure elements that make our modern lives possible.

The mining project, one of the largest ever conceived, could hold $500 billion in gold and copper.

Coudersport Ice Mine is located in the Appalachian Mountains.

Mountaintop removal mining is one of the most destructive forms of resource extraction, and it's taking its toll.

The Silicon Valley tech startup and the lodging platform partner to help make vacationing in a stranger's condo a more energy-efficient affair.

William Henry Harrison, James K. Polk and Zachary Taylor all died under suspicious circumstances.