The air at 85% of national parks is unhealthy at times, report finds, building on a study that said concentration of smog-forming ozone rivals that of cities.

Endurance athlete Ben Lecomte attempted to swim across the Pacific Ocean to bring attention to the state of our oceans.

A new technique promises to turn plastic waste into clean, high-grade fuel.

You won’t recognize all the names from Time’s list of people that most affect our world, but you’ll want to get to know them.

The USNS Henry J. Kaiser is carrying 900,000 gallons of biofuel blended with petroleum for evaluation and testing.

The telecommunications company will be Bloom Energy's largest non-utility customer.

British Airways partners with an American biofuel firm to build a massive facility outside of London that will produce garbage-based jet fuel.

Two Toes, the original wiley coyote of the American West, is on the verge of howling on the silver screen.

New film, based on the best-selling book by Dan Brown, warns of humanity's demise from unchecked population growth.

Used often in film productions, the lovingly preserved Canadiana Village is mostly for show.

The PACT Act makes animal cruelty a federal felony, threatening violators with fines and prison time.

While they may lack a certain je ne sais quoi possessed by Rosie, there are machines out there wiling to clean your filthy windows and BBQ grill.

Consider helping our honeybees by planting native flowers.

Radiation from cell phones might be contributing to the decline in the bee population.

In the strangest — and only — urban agriculture hoarding tale we've come across, a Queens man is busted for having 45 unregistered beehives housing to 3 mil

Markus Imhoof's new documentary balances microphotography with compelling storytelling. The film will debut on June 10.

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

Some see the EPA's regulation of mining in the region as federal overreach. Politicians are running against the agency in November's election.

This amazing video shows Carlos Barrios, the thirteenth miner rescued from the mine, being pulled to the surface.

Video: Newscasters say relationship may be old news, but it does add a new twist to a day of reunions.

After two days of being glued to the news watching the miners emerge, it’s time to celebrate.

Now you can help the rescue the Chilean miners in this mind-numbingly boring video game.

Kentucky's governor says the EPA is overstepping its bounds. Other groups contradict his claims of looking out for the environment.

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

Photographer explains the story behind Indonesia's majestic Kawah Ijen volcano, which appears to spew eerie blue lava.

Complimentary or not, Thomas Paino welcomes the attention being lavished on his super-efficient Long Island City rowhouse.

Officials determined the color is caused by pollution in the nearby Kasadi river, and shut down a factory accused of dumping dye.

Even the Great Blue Hole in Belize, one of the world's largest sinkholes, isn't immune to human pollution.

20-acre solar installation near Walt Disney World’s Epcot theme park has begun supplying clean energy this spring.

In the wake of Hurricane Maria, Puerto Rico may turn to Tesla turning disaster into an opportunity to avoid future blackouts.

The breakthrough works like a rechargeable battery that is charged by sunlight.

Although a recent renewable energy bill stalled, the hurricane-ravaged territory isn't giving up on its fossil fuel-free aspirations.

Is responsible seafood the answer to our health and environmental crises? Author Paul Greenberg explores in a new PBS documentary, "The Fish on My Plate."

Hindsight is 20/20 and there will be a lot of 20/20 analysis as the oil spill commission continues to drop bombshells from the behind-the-scenes reports of what

It's been a little more than a year since the Gulf oil spill. Jeff Corwin visits the Breton Wildlife Center in Louisiana to see how some of the pelicans affecte

This new documentary is a love song to Big Oil, and it's underwritten by oil and gas interests. Watch the trailer with awe and wonder.

Mother's Day bouquet: Learn how to make your mom a Mother's Day present she won't soon forget.

What does your mom really want for Mother's Day? (Hint: You won't find it at the store.)

So that you don't wind up gifting an awesome mum something too sentimental and/or last minute, a few singular Mother's Day gift picks ...

Ruling is latest twist in a long debate over how to regulate and enforce coal ash disposal.

A new study buries the concept of "fat but fit," and finds that obesity is more dangerous than a lack of fitness.

Thomas Panek just became the first blind runner to complete the NYC Half Marathon with guide dogs.

It's no Jurassic Park, but a flea stuck in amber for 20 million years may still shed light on the Black Death.

The Jambato harlequin frog had been feared extinct for at least the last 30 years.

Break out fresh limes and tequila for National Margarita Day — or any time you want one.

For the Fourth of July, try this cocktail made with an American bourbon and blueberries.

Soon, customers may be able to shop and sip at a Target store in Chicago.

Shake up your holiday drink options with these creamy cocktails that aren't eggnog.

Session cocktails and plant-based barbecue are the biggest food trends this summer.

Mercury, the smallest planet in our solar system, may hold clues to understanding how the Earth's moon was born.