Alternative energy sources that are cost-competitive with fossil fuels may be closer to fruition than previously thought. Recent studies from global leaders in

Anxiety and fear give way to joy and awe when we tune into scenes of the natural world, finds a study commissioned by BBC, makers of "Planet Earth II."

Skip the abrasive chemicals in commercial teeth whiteners and reach for some pineapple instead. Here are several ways to naturally whiten your teeth.

Are natural flavors better and safer than artificial flavors? The answer may surprise you. Here's everything you need to know about flavor engineering.

Renewable energy will surpass natural gas as the planet's No. 2 electricity source by 2016, according to a new report from the International Energy Agency.

What better place for the Swedish furniture emporium to acquire its biggest global clean energy investment than the Lone Star State?

Skip the harsh chemicals and try these nontoxic ways to clean your carpets.

The key to sparkling, streak-free window panes isn't chemicals, clean windows naturally with these tips.

Outdoor summer fun (or work) can lead to the most frustratingly stubborn clothing stains.

Drain flies, also known as sink moths or sewer flies, can be a huge nuisance. Here's how to get rid of drain flies naturally and without chemicals.

Most national food days seem arbitrary, but this one makes sense. You're going to need a clean fridge to prepare for all those Thanksgiving leftovers.

Non-chemical ways to make your sink and tub smell fresh.

Bees don't want to sting you. They have far more important things to do, like keep our agriculture system afloat.

Donating money to help the bees is as easy as adding a mustache to your cat's (or your friend's) photo.

The apiarian artery is the buzziest infrastructure project in Scandinavia.

Robert Byrd's death will create a void that may directly affect environmental policy.

Supreme Court decides not to hear the case about a plan to build 'the world's largest garbage dump' near the iconic national park.

Another study confirms rising levels of mercury emissions worldwide, much of it from gold mining.

How do you clean up a river? The answer is twofold: treatment and dilution.

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

NASA will join journalist Maria Shriver, tennis legend Billie Jean King and Grammy-award winning vocalist Patti Austin in remembering the life of Sally Ride.

Food, supplies, gear — and possibly Easter treats — successfully made their way to the space station.

A new study suggests the UNESCO status of Canada's Wood Buffalo National Park is in danger.

The amendment, part of a pending transportation bill, marks the Gulf Coast's 'most important conservation victory in a decade,' advocates say.

From increasing flexibility to easing stress, yoga has so many health benefits.

In celebration of Mother’s Day and all the lovely things our mothers have done for us — like, not eating us — here’s a rogues’ gallery of some of nat

While it ranks high on the gross scale, peeing in a pool has never been considered hazardous. A study, however, uncovers health effects.

If you’re gluten-free or just avoiding the dreaded beer belly, consider trying these lighter, lesser-known alternatives to beer instead.

Life across the globe depends on bees, butterflies, birds, bats and other pollinators. Test your knowledge about these vital creatures.

National Park and Earth Week are right around the corner — see how much you know about our nation's protected areas.

When the going gets tough, some animals get going — to bed. Take our hibernation quiz to see how much you know.

Rich natural gas deposits off the shore of Israel can meet the country's energy needs well into the next century, provided it can be extracted economically.

If fracking techniques pollute water supplies, what will happen to beer production?

Timing matters: Flowers bloom, insects emerge, birds migrate, and planting and hunting seasons are carefully coordinated times in order to take advantage of wha

The longing you feel to get away is ancient, says writer Clemens Arvay, a desire to interact with nature and leave behind the material world.

Even though native bees don't produce honey, they're incredibly important, says author Paige Embry. She explains how to help them in "Our Native Bees."

Brown bears visit Brooks River every summer to enjoy some delicious salmon, and humans can come along for the ride via webcams.

Refuge protectors weigh in on the shutdown's impact.

Lisa Hendy is the first woman to become chief ranger at Great Smoky Mountains National Park.

For seasonal shut-ins in need of some straight-up pampering, look no further than this assortment of lovely, low-impact at-home spa goodies. (And no, I didn't f

Chilly today? Crank down the thermostat and break out that hoodie — a versatile staple that can help you save a few bucks on wintertime heating bills.

Free printable coupons plus recipe ideas to use them to make cooking at home a little easier.

If you have an outdoor view, you're getting the benefit of Mother Nature.

With green hotels, vegan grub and the nation's oldest wildlife refuge, Oaktown stays true to its roots.

From organic peanut butter sandwiches to lattes made with hormone-free milk, a soup diva dishes on using organic and locally grown fare.

New study advises women to eat fish while pregnant, but hold the mercury. Researchers evaluated 600 mothers and children and found that children who are exposed

More than half of the country’s rivers and streams are suffering from nutrient pollution and habitat degradation; mercury and bacteria a problem as well.

There is no need to use harsh and poisonous sprays to get rid of wasps; there are plenty of ways to get rid of them naturally.

The chemicals, which come from valley farms as well as illegal marijuana gardens, are a contributing factor towards sharp declines in frog populations.

Environmental groups celebrate the bee strategy announcement — but only briefly before turning their focus to specifics and timing.