Cats at several prisons world wide have been used to smuggle drugs and other banned items.

If your cat passes out from the sound of crinkling tin foil, she’s not alone.

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.

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.

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

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

Built by campers, this structure uses pedal power to produce flour for bread, enough to feed a camp full of kids.

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.

EcoDomum is turning an environmental problem into a housing solution.

Because sometimes you need a little private time with your laptop.

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.

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

It's boxy, aluminum exterior hides a cushy bed, and a convenient galley kitchen -- all powered by the sun.

Ryan North points out that unlike most games, this one is lethal

For consumers, biodegradable and compostable products have mostly been a bust. Still, it is good news that the swiss company Freitag has succeeded making jeans that will break down on commercial compost piles.

Tandem satellite choreography has mapped the planet to 1-meter accuracy. In addition to amazing images, the data provides a treasure trove to earth scientists

Basalt Regional Library in Colorado is combining the best of both a traditional public library and the ever more popular seed library.

The public wants to see activists practicing what they preach.

A building that once housed a Jewish girls' school, shut down by the Nazis, is now home to a fashionable restaurant.

Bogotá was a pioneer of car-free day. Now, it has decided to one-up that and move to having a car-free week.

This startup offers tailored volunteering experiences where participants can continue working remotely while abroad, in addition to volunteering their skills in local communities.

Known as "lean finely textured beef," the highly processed meat has been dropped from by many fast food chains, but are still one the menu at public schools.

A new study shows that if we want to stop climate change, meat and dairy are off the table -- at least in the quantities we currently consume.

The company has launched a few efforts to reclaim marketshare, from promoting regional specialties to answering questions about food production. Too bad the promotional videos aren't convincing and fail to address the whole issue.

Bike lanes carry the shock troops in the never-ending war on the car.

Why not? Everybody else uses them for everything but biking.

Changing attitudes about cities and getting people out of cars takes a lot of work.

We covered this subject before but I got it wrong. Peter Flax of Bicycling Magazine got it right.

Beds designed to be earthquake proof and that put you inside an aquarium

In general flax has a relatively small environmental impact - and it gets even better when its organic. That's why companies like Libeco have decided to make organic lines.

This well-crafted tiny dwelling has its own space-saving elevator bed that can go up and down with the push of a button.

No turbine blades in sight.

Never ever underestimate the intelligence of Mother Nature.

Food insecurity is a very real problem for many Americans, but who knew that it affected so many college students, too?

This beautiful area near Salida, Colorado, could become the next national monument, with your help.

Another good reason to move to Colorado.

200 tiny homes, a community building, an exercise facility, a restaurant, and other amenities will be built along the Arkansas River in Salida.

TreeHugger isn't the only place to sing the virtues of the modern composting toilet. But Fox News? Really?

We keep saying that this is the way we should go, but perhaps the technology here just wasn't ready.

Pooping in a hole in the ground isn't everyone's cup of tea. But with views like these, relieving yourself the old fashioned way can feel positively luxurious.

A look at what has changed, and how much has actually stayed the same.

It's about time that we stopped wasting drinking water to flush away our waste; Allison Bailes did it and isn't complaining.

This simple Australian design has some interesting features and benefits.

Urine for a surprise as Alex Wilson concludes that urine collection beats composting. I was, because they are not mutually exclusive.

Put your poop to work; it's fuel for a biological furnace.

It's becoming easier to do so as the rules change and the toilets get better.

Here's the drill on the Earth Drill toilet.