This small apartment's 'library wall' functions as a way to keep the bed out of view, while also storing books and things.

Thanks to some careful, clever details, this 24-foot-long tiny house feels big, bright and open.

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.

In a nod to Buckminster Fuller's design philosophy of "maximum gain with minimal input," the wooden supports for this lightweight canopy are recycled from a village renovation project.

This spacious tiny home is great for entertaining and cooking up a storm.

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.

These remarkably realistic forms are produced using densely rolled strips of old newsprint.

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.

This family's self-built tiny house is part of a small off-grid homestead out in Maui.

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

Intended for short-term stays in nature, these prefab units can be transported and 'dropped into' almost any location.

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.

This couple applied precious life lessons -- learned from years of bicycle touring -- into designing their modern tiny house on foundations.

This impressive home features a lot of great multifunctional ideas, plus a custom-built cat run for two felines in the back.

Interested in living in a tiny house, but not sure where to park it? Here are some places to start with.

These poignant and captivating images reveal the hidden beauty of our stellar origins.

The future will look nothing like the past when it comes to energy. Chances are, our utilities will look pretty different too.

The British wind energy industry is making huge strides - with more to come.

Access to affordable capital is one of the biggest challenges for expanding a young industry. For solar in Africa, crowdfunding is helping to change that

In an effort to improve kids' opinions about Brussels sprouts, a team of engineers and scientists decided to give them a cooler edge by making them power up the lights on a Christmas tree.

Even armageddon has a silver lining.

May technological wonders help our children look forward to a bright season as well

A new process for seeing how electricity flows at the surface of electrodes will give a boost to efforts to improve rechargeable batteries

Fiercely opposed to big government, and a huge advocate for distributed clean energy, Roscoe Bartlett now practices what he preaches.

Storing solar energy for when the sun doesn't shine or wind power for a calm day costs too much. But that could all be changing.

From solar power through Nissan LEAFs to a traditional cheese cave, a combination of old and new technology produces very green cheese.

A new system for turning astronaut urine into drinking water also makes good use of the waste urea as fuel.

Whether for exercise, electricity, or simply out of curiousity, the bicycle powered charging stations in Amsterdam airport appear popular

New research, backed by conservation groups in the UK, suggest solar farms may offer opportunities for a more biodiverse countryside.

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

Figuring out energy can be tricky, especially since there are a lot of alternative energy options. Here are some tips for making smart decisions about energy.

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

Paying homage to Denmark's historical relationship with wind, these public art sculptures would generate music and power from wind.

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

A designer's take on the car of the future. Hint: it's a bike

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

Dubbed "Freedom Cove," this remarkable home is a decades-long labor of love built in an inlet in British Columbia.

Opportunities are everywhere. Even in poop.

Designed by an innovative 19-year-old, the Sun Saluter relies on a basic water clock to rotate solar panels.

A newly developed, solar powered “leaf” mimics photosynthesis, converting CO2 into fuel.

Merging energy-intensive Bitcoin mining with aquaculture, this project is experimenting with how technology might be used to develop better food systems.

The only people who benefit from the hydrogen economy are the oil and petrochemical companies that make the stuff.