Dean Kamen is the kind of inventor we don't imagine exists anymore—a fervent polymath like Thomas Edison. Best known as the creator of the Segway, Kamen is also responsible for major breakthroughs in clean energy, water purification, prosthetics,

With his planes, helicopters, and other fuel-hungry pets, Dean Kamen admits that he takes a lot out of the world. This just means that, in keeping with his immigrant grandfather's advice, he has to put more back in. In the second part of our

Having given Global Water Challenge a Best of Green award earlier this year for their innovative work on the issues of drinking water and sanitation, it goes without saying that TreeHugger is a fan of their work.

These low-impact, solar-powered desalination units could be a potential boon to water-scarce coastal communities, disaster-prone areas, as well as local marine life.

The iPod of thermostats gets updated with new energy saving features and increased functionality in its mobile apps.

What if the Google Street View car took thermal energy scans of all the country's buildings and then built a database of building energy efficiency information? That's the concept behind startup company Essess's approach to home energy audits.

An ice cream cart uses solar panels to power its refrigeration unit.

The new technology would allow precise control over the transparency of windows and how much light is let in.

This might be one of the smartest ways to use a smart thermostat.

When the earthworms are in trouble, we all are.

With the price of scrap metal in the dumper, ScrapArtsMusic has turned piles from dumpsters into green music. The discarded metal, accordion parts, artillery shells, and other junked items salvaged

It may well be all most people need as a computer, and it may well be what we have been waiting for.

It's impossible for a human to know all of the hundreds of thousands of species of flowers on our planet, so Microsoft has developed flower learning software.

A shark's fin is like its fingerprint, with each animal having its own unique patterns and scars.

Add heritage preservation, passive house design and a butterfly roof and it pushes a lot of buttons around here.

Plenty of clever spatial overlaps and multifunctional pieces of transformer furniture in this renovation of a 376-square-foot apartment in Melbourne.

An existing 1960s studio apartment in Melbourne has been transformed into a more efficient one-bedroom apartment.

This apartment's built-in 'function wall' maximizes a small space by incorporating sleeping, sitting and storage.

This redesigned space in a 1920s Art Deco building features a new layout that better maximizes space and light.

Though it sounds like a technical term more suited for computer programming, avicaching is actually a growing practice that encourages birders to collect and share their data from bird-watching through an internationally known phone app.

This Thanksgiving, the Sustainable Forestry Initiative (SFI) and National Wild Turkey Federation (NWTF) express gratitude for another productive year working together toward common goals, including ...

The Cornell Lab of Ornithology is a world leader in the study, appreciation, and conservation of birds. But the vast educational opportunities it offers aren’t reserved only for Ivy League students.

Cobalt is used to build lithium-ion batteries found in mobile technology. Much of it comes from Congo, where men, women, and children endure dangerous and unhealthy conditions to satisfy our hunger for new devices. It's time we paid attention.

At a recent talk Chamath Palihapitiya said he "doesn't use that sh**" and his kids aren't allowed to either.

Giving a kid a phone "feels a little like trying to teach your kid how to use cocaine, but in a balanced way."

Following an August 7th seizure of more than 1,000 illegally poached elephant tusks, members of China's Endangered Species Advisory Committee are struggling with the dilemma of what should be done with the ivory. I have a solution. ART.

Asian giant softshell turtles were once thought to be extinct in the Mekong River; this little trooper is one of 150 hatchlings bringing them back.

Somehow, beauty and hope for the future are found amid the wreckage of war.

Done in collaboration with local companies, residents and other organizations, the project's aim is to bring awareness to how palm oil production is negatively affecting humans and animals alike.

Ten people. 2,200 miles through Central Asia. No itinerary. What will happen?

FANAF separates cats from people in tiny Shanghai apartment.

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

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.

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

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

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

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

The technology could help keep buildings cooler in the warmer months.

Modern building codes and zoning regulations, while helping to set safety standards that can save lives, can also serve as big barriers to building small, sensible, and affordable dwellings with alternative materials and techniques.

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.

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