An international design competition hopes to bring energy-efficient housing and more to Tristan da Cunha.

A new online investing platform will fund energy-efficiency improvements for churches and nonprofits in poor neighborhoods.

New EPA regulations will clean up the biggest problem with burning wood: pollution and particulates.

And that information isn't as useless as it may seem.

We can't just build better; we have to change the way we live.

And it's potentially more efficient than an LED.

With California-based OhmConnect, it's easy being green when you're also earning green.

For starters, it's more energy efficient than a standard door that swings.

From coffee grounds to flushable wipes, avoid these no-nos when rinsing and flushing.

In a place where the streets flood with sewage after it rains, salvation may come in the form of a park.

We know plastic products pollution the ocean, but washing yoga pants, athletic wear and other clothes is a rising cause of concern.

Paddlers Paul Twedt and Michael Anderson started their Three Rivers Project to clean up Minnesota's three largest rivers.

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

With fresh water supplies contaminated by Hurricane Irma, U.S. Fish and Wildlife Service employees are bucking the rules to keep Key deer in Florida alive.

New study reveals animals in ocean trenches are digesting plastic.

Untreated, unfiltered water is a pricey new trend that many are buying into — even though "raw" water could really cause you some harm.

159 coral reefs were examined in the Asian-Pacific region, and 89 percent of those reefs were contaminated with plastics and disease.

The Nature Conservancy teams with the Archdiocese of Washington to curb urban runoff at a 150-year old cemetery.

The Ocean Cleanup is ready to launch plastic-eating System 001 to the Great Pacific Garbage Patch.

Benôit 'Ben' Lecomte hopes his attempt to swim across the Pacific will bring awareness to the plastic pollution creating 'an ocean in peril.'

Sewage in Mumbai's Thane Creek makes the city attractive to thousands of migrating flamingos, even though it's a turn-off for humans.

The oil leak may be releasing thousands of gallons per day, but after 14 years, it is finally at least partly contained.

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.

Four astronauts are spending 12 days underwater to prepare new methods for working in outer space. And they're Tweeting about it.

Space shuttle Endeavour's highly anticipated arrival in Los Angeles has been deferred by a day.

Space shuttle Endeavour, you're a star. A captivating new time-lapse movie has condensed Endeavour's recent three-day road trip to a Los Angeles museum into mer

The Shenzhou 10, along with its three crewmembers, returned safely after 15 days of space travel.

NASA's Galaxy Evolution Explorer has been decommissioned after 10 years of data collecting on other galaxies and black holes.

In previous decades, we explored outward. Today's landmarks in science come from looking deeper inside.

Beyoncé ended the year on a sour note with members of the NASA community.

Tuesday, Jan. 28 marked the 28th anniversary of the destruction of the space shuttle Challenger and loss of the crew.

A miniature space farm, robot legs, and microbes collected by cheerleaders are just a few of the odd passengers headed to the International Space Station.

Summer solstice, the unofficial first day of summer, is the day with the most hours of daylight.

Temperature records across the continent continue to fall as Europe buckles under heat wave. At least seven deaths have been attributed to the heat.

At a reservoir outside of Tokyo, water and electricity do indeed mix.

Kitschy nostalgia and clean-tech collide along Route 66, America's Mother Road, thanks to Solar Roadways.

As it turns out, the Swedish retailer's rooftop power plants are also the biggest in several other states.

It will indeed, claims newly minted PV shingle magnate Elon Musk.

Wind and solar get an unequal shake in the Equality State.

You might be familiar with floating wind turbines, but what about floating solar panels?

A new feature added to Project Sunroof, a free solar mapping tool from Google, makes keeping up with Joneses even easier.

Following a protracted court battle, Six Flags Great Adventure is set to become the world's first theme park that's fully powered by the sun.

British tech startup Seawater Greenhouse makes the impossible feat of growing crops in arid regions possible with the help of plenty of sunshine and saltwater.

The Sahara, one of the largest deserts in the world, could be transformed into a more hospitable place thanks to clean energy.

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

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

If you're a fan of humanely raised, sustainable beef, you may want to become a 'steakholder.'

The Brock Environmental Center's 'regenerative' design is key to its AIA recognition — it generates 80 percent more energy than it uses.

If you're not ready to go cold turkey with beef, we have some bean recipes to get you started in replacing just a meal or two.

Plastic bags are bad, for sure. But a new fee for produce bags is angering some ... and you're not even allowed to bring your reusables!