Just in time for Halloween, welcome to the exquisite and eerie world of Karly Perez' art dolls.

Tiny-room specialists H2O Architects have come up with a superb design which accommodates four private sleeping areas while still doing this place's views justice.

Wal-Mart has agreed to help US taxpayers take climate action. Over the next two years, they are sending energy audit teams to 20 State Capitol complexes to help save taxpayers money and help the environment...while the Federal Government equivocates

The bottled water company responsible for profound and pointless waste of water and fossil fuels is praised for low flush toilets and white roofs.

This problem gets worse as cars get bigger and heavier, no matter what they are powered by.

A new study finds that ultra-fine particles increase the risk of brain cancer.

This electrically powered prototype will be great for getting you to the market, and carting stuff back home.

This clever replacement window expands out to create a private semi-outdoor space for people who don't have a balcony.

Perfect for small city apartments, this system allows you to use a variety of add-on components to build your own indoor garden.

Plants get a stylish home with these eye-catching, handmade wooden planters made for the wall.

These intricately redone antique pocket watches and other timepieces feature scenes inspired by fairytales and steampunk.

45 years ago today, the Apollo 8 astronauts took the photo that some say inspired the environmental movement.

50 years ago today, the Apollo 8 astronauts took the photo that some say inspired the environmental movement.

At first this smart lock seemed like gimmicky over-engineering. Then I got thinking about the possibilities.

By encouraging neighbors to share skills and cooperate, time banks can build strong communities and a vibrant informal economy.

The NYC Department of Education has promised no repercussions for skipping class on September 20.

Russian artist, Xenia Bystrova has created a charming series of posters of some of Europe's great cities.

A 24-year-old food scientist at the University of Copenhagen has developed a prototype that could potentially save millions of lives.

How urban waste management is wising up.

Do you know how much of the so-called green or cool architecture is often for expensive hotels, government or office buildings? Well, in this case, it's the complete opposite.

And the air outside in urban London is pretty awful.

There's an "epidemic" of unused vacation days in the United States. This startup wants participating companies' employees to trade them in for plan contributions, or booking flights and hotel accommodations.

Don't be in such a hurry! Here's why you should slow down and visit the quirky landmarks that so many small towns have to offer.

Blending ground beef with mushrooms cuts both calories and carbon emissions. Oh, and lots of folks say it tastes better too.

The fashion designer says she doesn't "just chuck stuff into a washing machine because it's been worn."

It's painful but necessary if you want to maintain an organized home.

A cramped, rundown apartment gets a makeover with this mysterious-looking black box.

To gain more space, this apartment's redesign puts everything in the wall.

These architects propose building a living space into the nacelle of giant offshore wind turbines. What could go wrong?

Even in the wild world of offbeat wind energy machines, Tyer Wind's design stands out.

These 6 initiatives can build community, combat loneliness, and stretch resources.

The moral of the story is: Some people are awful, some people are heroes, and baby chimps are irresistable.

A new study has found that sleep disturbances have a greater effect on academic performance than anxiety, depression, binge-drinking, and marijuana use.

Ever wondered what it's like to live in a renovated van? Here is one company that rents DIY van conversions out.

It's National Pollinator Week! Start a garden, encourage pollinators, or join an event in your area.

The 'Spatzenfavela' ('favela' for sparrows) provides a home for birds that have lost their city nests and roosts due to urban renewal.

The Echo Meter can detect, record and identify the sounds of bats nearby.

It used to be so easy to make fun of this group we described as "hopelessly out of touch."

Also tanks in your backyard and killer stairs

This app gives free ad space to deserving charities and NGOs on one of our tech-centric culture's most common screens - our smartphone lock screens.

Celebrate Earth Hour Saturday night at 8:30 and start a movement to end this visual assault.

Got a froggy "city throat"? It might be from metal particles emitted from braking cars and trucks.

A new study asked 24 travellers to take this challenge and report back on their experiences.

It's another nail in the coffin for these monstrous purveyors of industrial tourism.

Fossil fuel company executives and D.C. politicians have long worked together to ensure coal and oil prices stay low enough to keep Americans hooked. Here's how we can break the addiction.

British born artist Nick Gentry transforms obsolete technology, such as VHS tapes, cassettes and floppy disks into amazing and haunting pieces.

A student project transforms bicycle wheels into rolling animation -- magic ensues.

This unique travel guide is the perfect book for the eco-conscious non-tourist. It features 111 projects you can visit around Europe, that make our cities better.

A small subterranean living space becomes a surprisingly luxurious urban dwelling.

Omar Sherzad's single-room art studio doubles as a second home for his family of four. Who wouldn't want a night at the museum?