TreeHugger founder Graham Hill is trying to radically reduce his footprint and live happily with less space, less stuff and less waste -- on less money -- but with more design. He calls it LifeEdited. To find each ideal piece of furniture for his small Ne

It's one answer to the complaint that tiny houses are too small: build it with an electrically operated, expandable slide-out.

Plus lots of green things.

Here are the favorites in our favorite category

August is the best month for tiny houses and here are the best tiny houses of August.

All kinds of interesting people were at Greenbuild.

This Australian design takes the work out of parking bikes.

MAKAR is doing the kind of work that puts North American architects and builders to shame.

Just when you think climate change couldn't get any worse... BEARS!

We visited Canada's first tiny house festival to find out more about this newly declared eco-residential development in Quebec for homes under 1,000 square feet in size.

Here is one woman's version of simple living on the river, in a boat that is equipped to see the tough northern winters through.

In a Canadian province where a winter heating with electricity might cost a few hundred dollars per month minimum, this man manages to cut his heating bill by using free solar energy.

Tiny houses don't have to be overly cute and rustic, as this little modern home shows.

Built on a gooseneck trailer, this big tiny home features a lot of clever small-space design ideas.

Lots of luxurious details in this solar-powered, off-grid tiny house.

This micro-home is a customized, winter-proofed dwelling for two.

Coming in at 425 square feet, this extra-wide, modernist tiny house actually feels quite roomy.

In exchange for cultivating someone else's backyard for a year, this activist is experimenting with an increasingly simpler lifestyle, documented step-by-step online.

A typical pacemaker could be powered by solar cells as small as 3.6 square centimeters, which could be implanted under the skin, thereby avoiding the need for periodic battery replacements.

Lazy New Yorkers who want to stay on the island and sunbathe will get this floating artificial beach on the Hudson River if this scheme gets crowdfunded and approved.

The U.S. Department of the Interior has taken to releasing massive amounts of the Colorado River from dams, here's why.

Researchers at Georgia Tech warn that there is a risk that self-driving cars might be hacked and cause gridlock.

A year-long experiment in the Bronx proved it's possible to switch from overly processed to freshly prepared meals.

For many

If you want to attract good people these days you have to give them a nice place to work.

Can hotels be 100% eco-friendly and affordable? I tried out Starwood's Element Hotel in NYC to find out how far a 411-room urban hotel can go green. The result is mostly positive with a few letdowns.

Chances are that you've never heard of Gene DeSantis, but his story seems one destined for legend. In fact, he's already being likened to a modern-day Johnny Appleseed. For almost three decades, DeSantis has made it his mission

Not sure if you really want to live in a tiny house? This tiny home builder is making these cabins from salvaged materials, which visitors can test out at an eco-retreat in Maryland.

Hawaiian engineers think that it can address many of the world's problems. Are they too ambitious?

This family with four kids is traveling full-time in a beautifully redone vintage Airstream trailer.

The peripatetic international designer explains it all in Core77

In Haida Gwaii the trees are so big that you could live in them.

Seriously ...

It's not enough to not make things worse. Our buildings and our actions have to make things better.

Everybody knows that change is happening, but thanks to the fossil fuel economy, we are all having such a good time.

It's also affecting everything from meat packing to crumpets.

The number is probably far higher than you think.

It's an important inflection point. But a lot of work still remains.

Stanford scientists figure out a way to get hydrogen out of seawater. Does this matter?

The newfound aquifer contains enough water to quench Kenya for decades to come.

Burning fossil fuels puts out a lot more than just CO2.

Restaurants win; Great Lakes lose.

The 9-mile long archipelago has more Adélie penguins than the entire rest of the Antarctic peninsula combined.

This young man's mortgage-free home includes an interesting self-built version of the rare species known as the heated ceiling.

What is vinyl? Let's explore how this ubiquitous and versatile plastic is made, what its uses are, and all of its safety concerns.

Judith Thornton questions the conventional wisdom about plastic packaging. She has a controversial point.

Despite needing to pay a hefty tuition bill this fall, Hannah Rousey refused to take money from Poland Spring Bottling Co., a subsidiary of Nestlé.

Most people think there are around 100 – most people are way off.

Instead of heavy metals, petroleum products, and toxic solvents, this printing ink is made with algae grown by Living Ink.

This loft-less tiny home makes quite a statement, both inside and out.