In 10 or 20 years, we're going to need a lot of buildings like this senior living community in the Eastlake neighborhood of Seattle — resilient and efficient.

Ambient noise can help mask sounds at night, but pink noise and brown noise may help you more than the white noise you've always heard about.

Air pollution is so pervasive it even affects babies in the womb and causes long-term mental and physical health problems.

Experts say we make it easy for germs to invade by touching our eyes, nose and mouth.

Do your immune system a favor and go dig in the dirt. The bacteria, algae, fungi, protozoa and nematodes will do you good.

They're baaack ... nearly 30 years later, solar panels are once again gracing the roof of America's most famous neoclassical mansion.

Hydroelectric power has not received the attention that solar and wind enjoy, but that could be changing.

Renewable energy has made great strides in the U.S. recently. But if you take a look around the globe, you'll find equally encouraging signs.

How hip to hybrid cars are you? Zero to sustainability: Test your hybrid car IQ with this quiz.

Clean energy sources are producing record amounts of power in markets across the world.

In rural areas, Internet connectivity can be a powerful force for economic empowerment.

Breakthroughs in artificial photosynthesis could help harness the sun's power for clean, efficient production of liquid hydrogen.

Israel’s largest international green energy conference takes place this weekend in Eilat.

The island nation is using its natural and cultural resources to attract filmmakers from around the world.

WIth room for 5,000 residents, the $26 billion Ocean Spiral scheme offers a subaqueous alternative to overcrowded and costly terrestrial living.

Better technology and more accessible data are helping drive new change.

Increased renewables, decreased emissions and falling energy prices. Germany's ambitious energy plan may be starting to pay off.

Thousands of drilling rigs are idle and roustabouts are being laid off. Why not put them to work drilling for renewable energy?

Corporate renewable energy goals that once looked ambitious are being met much earlier than expected.

Australian teen's invention could help make clean water easy and affordable to access.

Fom Argentina to Mexico, solar in Latin America is likely to grow like gangbusters in the coming years.

These are the largest towns in America with the smallest environmental footprints.

Kerosene lanterns are dangerous, polluting and unhealthy. That's why one charity aims to eliminate them by the end of the decade.

Build enough Powerwall batteries and you can run the world on renewable resources.

High-voltage utilities are experimenting with generating energy from renewable feedstocks available locally.

Technology could be used to generate electricity or even propel tiny toy cars.

The WindChill uses biomimicry to help preserve food in rural areas without access to electricity.

Bill Gates, Mark Zuckerberg and other billionaires have announced a new private coalition to help fund development of nascent sustainable technologies.

No outlet needed for this lamp — just plug it into the nearest plant.

Efficiency isn't sexy, but it gives you a lot more bang for the buck.

Photovoltaic cells convert the sun's energy into electricity — but what if solar energy could instead be converted directly into liquid fuel?

Wave power has the potential to supply 25 percent of the nation's energy.

Louis Michaud's atmospheric vortex engine or AVE could power the world, if only the world would listen.

Tyer Wind has based its proposed wind turbines on a hummingbird flapping its wings.

Massive investment coupled with falling prices has created a perfect renewable storm in the Golden State.

Bacteria can help solar panels convert sunlight to energy, even on overcast days.

Scientists are working to harness the power of the static electricity to power our devices. It's a surprisingly mysterious natural phenomenon.

By 2020, onshore wind and solar power are expected to be cheaper sources of new electricity than any fossil fuel.

Hi-tech biomass gassification plant will cut Middlebury College's CO2 emissions by 40 percent.

Plant waste has been seen as a possible source of sustainable biofuels, now modified E. coli would convert plant waste into fatty acids, and then into fuel.

Your next camping trip should include this camp stove, which is capable of efficiently burning biomass materials like pine needles, small twigs and wood chips.

An new power plant in England turns waste wood into power. But it doesn't burn it.

Researchers claim that using enzymes to convert biomass to hydrogen could yield significantly more energy than current biomass-to-ethanol efforts.

A deceased celebrity tops Barbara Walters' annual list for the first time.

We take a trip to a former Civil War-era insane asylum that has been called one of the most haunted places in America.

Mayor announced a plan to offer his employees discounts to Weight Watchers.

A Notre Dame football player turned fashion model has a new role: Eco-entrepreneur.

Scenes from the Little People of America conference in Washington, D.C.

Sure, you've seen classics like 'A Christmas Story' and 'Miracle on 34th Street.' But have you heard of 'Holiday in Handcuffs'? We didn't think so.

Watch street magician Andrew Mayne knock people's socks off with these eight stunts.