This cascading staircase not only moves people, it can display books and other trinkets too.

Two 'active' walls enable this small living space to become flexible and adaptable throughout the day.

In an homage to influential images of Earth taken from outer space, this art installation takes it up a notch by livestreaming views of Earth in real-time, prompting us to contemplate the bigger picture.

This small, efficient renovation of a former maid's room in Paris hides a stealthy little table.

An old, cramped apartment in Tasmania is updated with skylights, plenty of clever space-saving concepts, and a touch of hidden glamor.

Made with numerous layers of paper, these laser-cut pieces are inspired by patterns from nature.

Bright pops of yellow, orange and neutral wood cabinetry warm up this small apartment renovation in Moscow.

This 598-square-foot model home is one of the almost two dozen homes that are slated to go up as part of a tiny house community.

An old apartment is refreshed with a new scheme that stacks things up to gain more space.

This small 355-square-foot apartment has been redesigned to be more space-efficient, enough to accommodate a family that loves to entertain and have guests sleep over.

Visitors to this regional park can rent this minimalist cabin in the woods.

This renovation makes way for an integrated kitchen and study area, a bedroom and a flexible living room.

Situated in a nature reserve along the Dutch coast, this unique structure not only serves as an observation post, it also provides extra bird habitats.

New technologies can be a powerful tool in the fight against climate change. But they can also be a distraction.

With coal use in China dropping, and clean tech becoming competitive, it's time for all of us to ramp up our efforts.

Here's a bright idea for alternative energy -- a megabattery to smooth the peaks and troughs for a reliable power grid

A handfull of states have been carrying the torch for rooftop solar.

Elora Hardy and her team of designers, artisans, and builders at Ibuku are reimagining sustainable building, using one of nature's strongest and most versatile materials.

For many roofs, white paint is the best way to cool down, but for metal roofs a new glass coating could be even better.

Lightweight shelters might be an affordable and quick option for emergency housing, but they are also susceptible to damage from high winds. This prototype could be a better solution.

The Earthship movement is more than just a bunch of dirty hippies living in a Mad Max-esque compound in the high desert of the American Southwest, as this short film illustrates.

Are you looking for a DIY construction technique for building an affordable earthquake-, flood-, and bullet-resistant home? Look no further.

EcoDomum is turning an environmental problem into a housing solution.

When you want to really pursue your dreams, instead of simply dreaming them, you might need to think outside the box. Outside the housing box, that is.

The Big World Homes project aims to be a new model of affordable housing, and its modular mobile design could make it a good fit for 'pop-up' communities on unused land.

Thanks to careful scrounging and salvaging, a Danish design student was able to cheaply build a "self-sufficient" dome for use as a greenhouse.

The Federal Government no longer wants these obsolete lighthouses in the Florida Keys – so they're giving them away.

What Is Rammed Earth Construction? Here's a look at the characteristics, uses, pros and cons.

Most costumes are single-use plastics, made from polyester that's essentially disposable and non-recyclable. We can do better than that.

Select zoos are enticing green families with healthier treats and recycled crafts this Halloween

Getting outside will clear your head and, at least for artist Sara Breakfield, inspires and incredible wealth of creativity and artistic spirit thanks to items found along trails.

This is how the internet is supposed to work.

A local regulation forces all food to go through a terminal controlled by big business, but a group of small producers found a way to bypass the rule.

A Brazilian firm translates small-spaces ideas into a cute shopping mall shop.

In light of rising temperatures and worsening natural disasters, temporary shelters seem increasingly relevant. A Spanish firm came up with an idea to convert water tanks into minimal habitable units.

The space is the first to pop up at the recently opened Casa FOA interior design exhibition, the largest in the city.

Joao Filgueiras Lima, known as Lele, has a remarkable portfolio which has begun to raise attention. We take a look at his pedestrianization work in Salvador and his approach to futuristic health centers.

Spanish collective Basurama arrived in Niamey, Niger, to assist locals in the construction of new leisure spaces with local, low cost materials.

How to provide housing for the masses getting out of poverty and out of slums in the developing world, without creating sprawl? Argentine architects propose attaching new homes to existing structures.

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.

Of all of Niemeyer's impressive works, the 1960s Copan building in Sao Paulo is the one speaking directly to contemporary urban trends.

For his renovation of a 200 year old farmhouse, Alex Wilson tries out the greenest insulations on the market

Philadelphia builder uses our favorite material as both insulation and cladding

If you'd like to get the junk out of your back pocket or purse, consider downsizing into a wallet such as this one, which holds just the essentials.

When 16-year-old Sam Allen realized his devotion to fashion and the fight against global warming could potentially work wonders together he enlisted the help of a few friends and set out to create a line of clothing that would make a difference… Enter

With kids across America suffering from a severe case of nature deficit disorder as technology creeps in and takes over their room for creative play it may come as a surprise that a group of kids putting together their very own field of dreams on which

So you think you're doing everything you can to improve your home's energy efficiency. And if you haven't done everything you can do personally, both TreeHugger and Planet Green have plenty of tips on how you can get up to

A cafe in Fairfield, Connecticut is growing produce on its roof. A permaculture expert makes some recommendations on how to do even more.

Armani has some explaining to do. But she is, of course, an anteater, and they're notoriously tight-lipped.

A rustic tiny house built with plenty of love and on a small budget.