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.

Take a photo tour of 10 different facilities around the world where SC Johnson is using renewable energy and learn about their positive environmental impact.

In a nation where transportation claims 20 percent of CO2 emissions, train travel will soon be a zero-emission affair.

A shift in how you think about housekeeping could result in a tidier and more relaxed life.

If you are aiming for more minimalist surroundings but find it hard to part with things, this trick could work for you.

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

You might remember the former U.S. senator from Idaho as the anti-gay politician who was arrested for lewd conduct in an airport bathroom. He's back in Washingt

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

Researchers stumble upon a method that could replace toxic cyanide with plain old cornstarch.

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

Months ahead of the UN Climate Change Conference, French Parliament approves aggressive new commercial building rules.

Over 500 workers have been mobilized to deal with the endless tide of garbage inflicting the beaches of Santo Domingo.

Visiting Florida's Space Coast ahead of next week's primary, the GOP presidential candidate vows to build a permanent U.S. colony on the moon.

Teen sets ambitious goal to be the first astronaut on Mars, and she's harnessing the power of social media to make it happen.

NASA lost power on Sunday in California, delaying the launch of the IRIS sun observatory by one day.

The 4-acre Chernobyl solar power facility can supply enough power for a medium-sized village, or about 2,000 apartments.

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

District of Columbia lawmakers approve legislation that fast-tracks the city's bold clean energy goals.

When you can't harvest crops, why not harvest the sun?

Using satellite data and machine learning, researchers have mapped the movements of over 70,000 industrial fishing vessels.

With huge eyes in tiny bodies, baby jumping spiders have high-quality vision.

In honor of all the hard-working mothers in the animal kingdom, here's a collection of adorable baby animals being doted on by their moms.

For Mother's Day, a set of posts that remind us what being a mother is all about.

From today's declining fertility rates to the increasing money people spend on moms, here's a look at motherhood by the numbers.

Cement made from 'fly ash', a byproduct from coal-fired power plants, has a remarkably lower carbon footprint, recycles industrial waste, and is more durable.

Visibility in Harbin, China has dropped to 33 feet in the wake of monster smog rolling through the area.

What good is it if all of the historical cities and natural beauty in China are covered by haze?

The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.

Stealing bar glasses to keep as a souvenir goes way back and plays a key role in the mint julep, Kentucky Derby relationship.

From paws and hooves to claws and talons, a variety of animal feet walk upon the Earth. Can you recognize the animal based on its foot alone?

Many breeds have stand-out physical characteristics that make it easy to identify them, but can you name the dog from its ears?

Take the tail end of a hint and see if you know the answer!

There's no confusing a giraffe baby with any other creature. But some animal infants don't always resemble their parents.

El Hierro, the smallest of the Canary Islands, is becoming energy self-sufficient by relying solely on wind turbines and hydroelectricity.

Although new on the Indian retail scene, Ikea already has big plans to alleviate one of the country's largest environmental ills.

The endangered African wild dog has a nose for democracy, according to a study, which explains how the dogs "vote."

The newly identified species weaves silky air chambers to survive high tide.

Invention start-up Quirky and GE launch the Aros Smart Air Conditioner, a window unit with added brains and good looks.

Refuge protectors weigh in on the shutdown's impact.

Family sends an SOS message in a bottle from California's Arroyo Seco River — and it saves them.

The Organic Cotton Percale Bedding from Gaiam takes a few washes to soften up, but then settles into being a wonderfully comfortable set of sheets.

An organic “garden gin,” Sage uses botanicals like the ones grown by Thomas Jefferson in his Monticello gardens.

Hearing aids and cataract surgery can slow mental decline, say new studies.

While "Million Dollar Baby" earned critical acclaim and a Best Actress Oscar for Hilary Swank, it also took a toll on her health.

Pyrethroid pesticides stunt the growth of bumblebees, a new study finds, resulting in smaller workers that may be less adept at foraging.

The pesticides, called neonicotinoids, are "highly likely" to be triggering bee deaths, say researchers.

A new study concludes humans have accidentally spread a virus and parasite that are obliterating bees.

'If you see me, weep,' reads one of these so-called 'hunger stones.'

Pavement that acts as an air purifier could help cities consume their own pollution.

From fission and fusion to biomaterials, NASA hopes these innovations will benefit Earth and space science.